A dark grey student swivel chair featuring a height-adjustable gas lift and a stable five-star base with castors for seamless movement in technical learning labs.
Infographic of a charcoal grey mobile task chair for schools, highlighting its rotating gas lift, 100% recyclable shell, and 5-year structural warranty.
A detailed technical line drawing showing the adjustable height range of 765mm to 895mm and seat width of 405mm for the 14 plus years swivel computer chair.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Dark Grey Classic Polypropylene Swivel Computer Chair

The Cobolt CH61DG is a heavy-duty swivel chair designed for longevity in school ICT labs, libraries, and administrative offices. Supplied with Free UK Mainland Delivery, it combines a sleek, neutral aesthetic with the rugged construction required for high-traffic educational environments.

The Cobolt Advantage

  • Reliable Budget Protection: Backed by a 5-year commercial warranty, this chair is a durable institutional investment designed to outperform and outlast standard office furniture.
  • Security-Focused Engineering: Features high-grade tamperproof fixings that secure the seat shell to the frame, preventing unauthorized tampering or disassembly in classroom settings.
  • Collaborative Mobility: The reinforced 5-castor star base allows for effortless movement, facilitating smooth transitions between independent computer work and group collaboration.

Ergonomics & Sustainability

  • Postural Support: The anatomically sculpted shell provides consistent lumbar support, helping students maintain focus during extended lesson periods.
  • Circulation Management: The integrated waterfall front edge removes pressure from the popliteal arch, ensuring comfort and preventing restlessness during ICT tasks.
  • Circular Economy Ready: 100% recyclable at end-of-life; the modular design allows for easy disassembly so that metal and plastic components can be recovered responsibly.

Institutional Build Quality

Our ICT furniture is built for the "school test." With a 100kg weight limit and a shell manufactured from stain-resistant, high-impact polypropylene, the CH61DG is engineered to survive the daily physical challenges of a busy campus.

The Cobolt Standard

  • 50 Years of Expertise: We are a trusted partner to the UK public sector, leveraging five decades of experience to provide furniture that meets strict BS EN1729 safety and durability standards.
  • Free UK Mainland Delivery: We simplify school procurement by offering complimentary shipping to all UK Mainland addresses as standard.
  • Practical Portability: Features an integrated carry hole in the backrest, making it simple for facilities teams to lift and rearrange chairs for maintenance or exam setups.

Where is this Dark Grey Swivel Computer Chair used?

The CH61DG Dark Grey Swivel Chair is the benchmark for Secondary ICT Suites, Digital Libraries, Learning Resource Centres, and Administrative Offices. Its adjustable height makes it a versatile tool for students from Key Stage 3 through to adult staff members.

Key Features

  • Rotating Gas Lift Height Adjustment – Seamless control from 390mm to 520mm to match various desk heights.
  • Ribbed Polypropylene Shell – Contoured outer ribbing provides superior lateral strength and impact resistance.
  • Waterfall Front Edge – Ergonomically curved to protect blood flow in the legs during intensive seated study.
  • Tamper-Resistant Fasteners – High-security fixings ensure the seat remains safely secured to the frame at all times.
  • 100kg Rated Weight Limit – Robust construction designed to support senior students and adults comfortably.
  • High-Stability 5-Castor Base – Black star base provides a stable footprint with smooth, non-tip mobility on school floors.
  • Stain-Resistant Dark Grey Finish – A professional, easy-to-clean polypropylene shell that masks scuffs and maintains its appearance.
  • Modular Disassembly – Supports 100% material recovery at the end of the product's lifespan.
Warranty icon
5-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Recyclable Asset

Cobolt Service & Ethos: Supporting School Estates

  • Durability Specialists: We focus on furniture specifically tested for the "severe use" of UK educational facilities.
  • No Hidden Costs: Inclusive pricing with UK Mainland delivery ensures no budget surprises.
  • Sustainable Procurement: Our 100% recyclable chairs support your school’s commitment to sustainable waste management.
  • Expert Support: Our UK-based team provides technical assistance for assembly and full lab refit planning.

Built for Safety. Backed for Reliability.

  • Full compliance with BS EN1729 Parts 1 & 10 ensures the chair meets European standards for classroom ergonomics, structural strength, and sizing.
  • The high-tensile Rotating Gas Lift allows users to align their eye-level with their monitors, preventing posture-related strain.
  • Reinforced Tamperproof Fixings serve as an effective deterrent against vandalism, keeping the chair safe and intact over years of use.
  • The contoured outer ribbing adds significant structural rigidity to the polypropylene shell, preventing cracking even in high-traffic areas.
  • We provide a comprehensive 5-year manufacturer's guarantee covering the structural integrity of the base, shell, and lift mechanism.

The CH61DG Dark Grey Computer Chair provides a professional, height-adjustable seating solution for modern ICT labs. These specifications detail the heavy-duty build and safety compliance that define the Cobolt institutional standard.

Weight Limit
100kg
Seat Height
390mm - 520mm
Guarantee
5 Years
Specification
Details
Purpose / Benefit
Height Adjustment
390mm to 520mm
Flexible range for students and adult staff members
Seat Dimensions
405mm(W) x 380mm(D)
Standard adult-sized ergonomic footprint for ICT work
Shell Colour
Dark Grey
Professional, scuff-masking finish; easy to wipe clean
Base Finish
Black 5-Castor Star Base
Durable, non-marking mobile base for versatility
Sustainability
100% Recyclable
Designed for easy material recovery at end-of-life
Compliance
BS EN1729 Part 1 & 10
Officially certified for educational environments
Weight
7.5kg
Ideal balance of stability and mobility

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: The UK’s Leading ICT Seating Solutions

Q: Does this chair require assembly?

A: Yes. Simple assembly is required to connect the dark grey seat shell, the gas lift, and the castor base. This design ensures that individual components can be easily separated for recycling in the future.

Q: What is the maximum weight limit for this computer chair?

A: This chair is engineered for durability with a maximum weight limit of 100kg. This makes it suitable for secondary school students, college learners, and adult administrative staff.

Q: What desk height is the 390-520mm lift suitable for?

A: This adjustment range is designed to match standard 710mm to 760mm ICT workbenches, ensuring students can find a comfortable ergonomic position relative to their monitor.

Q: Is the polypropylene shell easy to clean?

A: Absolutely. The plastic shell can be wiped down quickly with a warm, damp cloth and a non-abrasive cleaner. The dark grey colour is also excellent for masking minor scuffs and marks.

Q: Why are tamperproof fixings important?

A: Classroom furniture can often be dismantled by students with basic tools. Our tamperproof fixings require specialized equipment to remove, ensuring the chair remains safe and structurally sound for its entire lifespan.

Q: Is this chair environmentally friendly?

A: Yes. The chair is 100% recyclable. We have designed it so that the metal and plastic components can be easily separated at the end of their life, ensuring zero waste to landfill.

Q: What does the 5-year warranty cover?

A: Our 5-year guarantee covers all structural failures and manufacturer defects for the shell, frame, and gas lift mechanism under standard school usage.

Q: Why should my school buy ICT furniture from Cobolt?

A: With over 50 years of heritage, we specialize in seating that outlasts the competition. We offer Free UK Mainland Delivery and products that are rigorously tested to meet British education standards.

Overview

Product Overview: Dark Grey Classic Polypropylene Swivel Computer Chair

The Cobolt CH61DG is a heavy-duty swivel chair designed for longevity in school ICT labs, libraries, and administrative offices. Supplied with Free UK Mainland Delivery, it combines a sleek, neutral aesthetic with the rugged construction required for high-traffic educational environments.

The Cobolt Advantage

  • Reliable Budget Protection: Backed by a 5-year commercial warranty, this chair is a durable institutional investment designed to outperform and outlast standard office furniture.
  • Security-Focused Engineering: Features high-grade tamperproof fixings that secure the seat shell to the frame, preventing unauthorized tampering or disassembly in classroom settings.
  • Collaborative Mobility: The reinforced 5-castor star base allows for effortless movement, facilitating smooth transitions between independent computer work and group collaboration.

Ergonomics & Sustainability

  • Postural Support: The anatomically sculpted shell provides consistent lumbar support, helping students maintain focus during extended lesson periods.
  • Circulation Management: The integrated waterfall front edge removes pressure from the popliteal arch, ensuring comfort and preventing restlessness during ICT tasks.
  • Circular Economy Ready: 100% recyclable at end-of-life; the modular design allows for easy disassembly so that metal and plastic components can be recovered responsibly.

Institutional Build Quality

Our ICT furniture is built for the "school test." With a 100kg weight limit and a shell manufactured from stain-resistant, high-impact polypropylene, the CH61DG is engineered to survive the daily physical challenges of a busy campus.

The Cobolt Standard

  • 50 Years of Expertise: We are a trusted partner to the UK public sector, leveraging five decades of experience to provide furniture that meets strict BS EN1729 safety and durability standards.
  • Free UK Mainland Delivery: We simplify school procurement by offering complimentary shipping to all UK Mainland addresses as standard.
  • Practical Portability: Features an integrated carry hole in the backrest, making it simple for facilities teams to lift and rearrange chairs for maintenance or exam setups.

Features & Benefits

Where is this Dark Grey Swivel Computer Chair used?

The CH61DG Dark Grey Swivel Chair is the benchmark for Secondary ICT Suites, Digital Libraries, Learning Resource Centres, and Administrative Offices. Its adjustable height makes it a versatile tool for students from Key Stage 3 through to adult staff members.

Key Features

  • Rotating Gas Lift Height Adjustment – Seamless control from 390mm to 520mm to match various desk heights.
  • Ribbed Polypropylene Shell – Contoured outer ribbing provides superior lateral strength and impact resistance.
  • Waterfall Front Edge – Ergonomically curved to protect blood flow in the legs during intensive seated study.
  • Tamper-Resistant Fasteners – High-security fixings ensure the seat remains safely secured to the frame at all times.
  • 100kg Rated Weight Limit – Robust construction designed to support senior students and adults comfortably.
  • High-Stability 5-Castor Base – Black star base provides a stable footprint with smooth, non-tip mobility on school floors.
  • Stain-Resistant Dark Grey Finish – A professional, easy-to-clean polypropylene shell that masks scuffs and maintains its appearance.
  • Modular Disassembly – Supports 100% material recovery at the end of the product's lifespan.
Warranty icon
5-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Recyclable Asset

Cobolt Service & Ethos: Supporting School Estates

  • Durability Specialists: We focus on furniture specifically tested for the "severe use" of UK educational facilities.
  • No Hidden Costs: Inclusive pricing with UK Mainland delivery ensures no budget surprises.
  • Sustainable Procurement: Our 100% recyclable chairs support your school’s commitment to sustainable waste management.
  • Expert Support: Our UK-based team provides technical assistance for assembly and full lab refit planning.

Safety & Warranty

Built for Safety. Backed for Reliability.

  • Full compliance with BS EN1729 Parts 1 & 10 ensures the chair meets European standards for classroom ergonomics, structural strength, and sizing.
  • The high-tensile Rotating Gas Lift allows users to align their eye-level with their monitors, preventing posture-related strain.
  • Reinforced Tamperproof Fixings serve as an effective deterrent against vandalism, keeping the chair safe and intact over years of use.
  • The contoured outer ribbing adds significant structural rigidity to the polypropylene shell, preventing cracking even in high-traffic areas.
  • We provide a comprehensive 5-year manufacturer's guarantee covering the structural integrity of the base, shell, and lift mechanism.

Specification Dimensions

The CH61DG Dark Grey Computer Chair provides a professional, height-adjustable seating solution for modern ICT labs. These specifications detail the heavy-duty build and safety compliance that define the Cobolt institutional standard.

Weight Limit
100kg
Seat Height
390mm - 520mm
Guarantee
5 Years
Specification
Details
Purpose / Benefit
Height Adjustment
390mm to 520mm
Flexible range for students and adult staff members
Seat Dimensions
405mm(W) x 380mm(D)
Standard adult-sized ergonomic footprint for ICT work
Shell Colour
Dark Grey
Professional, scuff-masking finish; easy to wipe clean
Base Finish
Black 5-Castor Star Base
Durable, non-marking mobile base for versatility
Sustainability
100% Recyclable
Designed for easy material recovery at end-of-life
Compliance
BS EN1729 Part 1 & 10
Officially certified for educational environments
Weight
7.5kg
Ideal balance of stability and mobility

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: The UK’s Leading ICT Seating Solutions

Q: Does this chair require assembly?

A: Yes. Simple assembly is required to connect the dark grey seat shell, the gas lift, and the castor base. This design ensures that individual components can be easily separated for recycling in the future.

Q: What is the maximum weight limit for this computer chair?

A: This chair is engineered for durability with a maximum weight limit of 100kg. This makes it suitable for secondary school students, college learners, and adult administrative staff.

Q: What desk height is the 390-520mm lift suitable for?

A: This adjustment range is designed to match standard 710mm to 760mm ICT workbenches, ensuring students can find a comfortable ergonomic position relative to their monitor.

Q: Is the polypropylene shell easy to clean?

A: Absolutely. The plastic shell can be wiped down quickly with a warm, damp cloth and a non-abrasive cleaner. The dark grey colour is also excellent for masking minor scuffs and marks.

Q: Why are tamperproof fixings important?

A: Classroom furniture can often be dismantled by students with basic tools. Our tamperproof fixings require specialized equipment to remove, ensuring the chair remains safe and structurally sound for its entire lifespan.

Q: Is this chair environmentally friendly?

A: Yes. The chair is 100% recyclable. We have designed it so that the metal and plastic components can be easily separated at the end of their life, ensuring zero waste to landfill.

Q: What does the 5-year warranty cover?

A: Our 5-year guarantee covers all structural failures and manufacturer defects for the shell, frame, and gas lift mechanism under standard school usage.

Q: Why should my school buy ICT furniture from Cobolt?

A: With over 50 years of heritage, we specialize in seating that outlasts the competition. We offer Free UK Mainland Delivery and products that are rigorously tested to meet British education standards.

Dark Grey Classic Polypropylene Swivel Computer Chair on 5 Castors

Product code: CH61DG
Achieve a professional and sophisticated aesthetic in your IT departments with the Dark Grey Classic Polypropylene Swivel Computer Chair. This institu...

Inc VAT

Exc VAT

£99.00

£82.50

Colours - Dark Grey

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Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: Dark Grey Classic Polypropylene Swivel Computer Chair

The Cobolt CH61DG is a heavy-duty swivel chair designed for longevity in school ICT labs, libraries, and administrative offices. Supplied with Free UK Mainland Delivery, it combines a sleek, neutral aesthetic with the rugged construction required for high-traffic educational environments.

The Cobolt Advantage

  • Reliable Budget Protection: Backed by a 5-year commercial warranty, this chair is a durable institutional investment designed to outperform and outlast standard office furniture.
  • Security-Focused Engineering: Features high-grade tamperproof fixings that secure the seat shell to the frame, preventing unauthorized tampering or disassembly in classroom settings.
  • Collaborative Mobility: The reinforced 5-castor star base allows for effortless movement, facilitating smooth transitions between independent computer work and group collaboration.

Ergonomics & Sustainability

  • Postural Support: The anatomically sculpted shell provides consistent lumbar support, helping students maintain focus during extended lesson periods.
  • Circulation Management: The integrated waterfall front edge removes pressure from the popliteal arch, ensuring comfort and preventing restlessness during ICT tasks.
  • Circular Economy Ready: 100% recyclable at end-of-life; the modular design allows for easy disassembly so that metal and plastic components can be recovered responsibly.

Institutional Build Quality

Our ICT furniture is built for the "school test." With a 100kg weight limit and a shell manufactured from stain-resistant, high-impact polypropylene, the CH61DG is engineered to survive the daily physical challenges of a busy campus.

The Cobolt Standard

  • 50 Years of Expertise: We are a trusted partner to the UK public sector, leveraging five decades of experience to provide furniture that meets strict BS EN1729 safety and durability standards.
  • Free UK Mainland Delivery: We simplify school procurement by offering complimentary shipping to all UK Mainland addresses as standard.
  • Practical Portability: Features an integrated carry hole in the backrest, making it simple for facilities teams to lift and rearrange chairs for maintenance or exam setups.

Where is this Dark Grey Swivel Computer Chair used?

The CH61DG Dark Grey Swivel Chair is the benchmark for Secondary ICT Suites, Digital Libraries, Learning Resource Centres, and Administrative Offices. Its adjustable height makes it a versatile tool for students from Key Stage 3 through to adult staff members.

Key Features

  • Rotating Gas Lift Height Adjustment – Seamless control from 390mm to 520mm to match various desk heights.
  • Ribbed Polypropylene Shell – Contoured outer ribbing provides superior lateral strength and impact resistance.
  • Waterfall Front Edge – Ergonomically curved to protect blood flow in the legs during intensive seated study.
  • Tamper-Resistant Fasteners – High-security fixings ensure the seat remains safely secured to the frame at all times.
  • 100kg Rated Weight Limit – Robust construction designed to support senior students and adults comfortably.
  • High-Stability 5-Castor Base – Black star base provides a stable footprint with smooth, non-tip mobility on school floors.
  • Stain-Resistant Dark Grey Finish – A professional, easy-to-clean polypropylene shell that masks scuffs and maintains its appearance.
  • Modular Disassembly – Supports 100% material recovery at the end of the product's lifespan.
Warranty icon
5-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Recyclable Asset

Cobolt Service & Ethos: Supporting School Estates

  • Durability Specialists: We focus on furniture specifically tested for the "severe use" of UK educational facilities.
  • No Hidden Costs: Inclusive pricing with UK Mainland delivery ensures no budget surprises.
  • Sustainable Procurement: Our 100% recyclable chairs support your school’s commitment to sustainable waste management.
  • Expert Support: Our UK-based team provides technical assistance for assembly and full lab refit planning.

Built for Safety. Backed for Reliability.

  • Full compliance with BS EN1729 Parts 1 & 10 ensures the chair meets European standards for classroom ergonomics, structural strength, and sizing.
  • The high-tensile Rotating Gas Lift allows users to align their eye-level with their monitors, preventing posture-related strain.
  • Reinforced Tamperproof Fixings serve as an effective deterrent against vandalism, keeping the chair safe and intact over years of use.
  • The contoured outer ribbing adds significant structural rigidity to the polypropylene shell, preventing cracking even in high-traffic areas.
  • We provide a comprehensive 5-year manufacturer's guarantee covering the structural integrity of the base, shell, and lift mechanism.

The CH61DG Dark Grey Computer Chair provides a professional, height-adjustable seating solution for modern ICT labs. These specifications detail the heavy-duty build and safety compliance that define the Cobolt institutional standard.

Weight Limit
100kg
Seat Height
390mm - 520mm
Guarantee
5 Years
Specification
Details
Purpose / Benefit
Height Adjustment
390mm to 520mm
Flexible range for students and adult staff members
Seat Dimensions
405mm(W) x 380mm(D)
Standard adult-sized ergonomic footprint for ICT work
Shell Colour
Dark Grey
Professional, scuff-masking finish; easy to wipe clean
Base Finish
Black 5-Castor Star Base
Durable, non-marking mobile base for versatility
Sustainability
100% Recyclable
Designed for easy material recovery at end-of-life
Compliance
BS EN1729 Part 1 & 10
Officially certified for educational environments
Weight
7.5kg
Ideal balance of stability and mobility

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

FAQs: The UK’s Leading ICT Seating Solutions

Q: Does this chair require assembly?

A: Yes. Simple assembly is required to connect the dark grey seat shell, the gas lift, and the castor base. This design ensures that individual components can be easily separated for recycling in the future.

Q: What is the maximum weight limit for this computer chair?

A: This chair is engineered for durability with a maximum weight limit of 100kg. This makes it suitable for secondary school students, college learners, and adult administrative staff.

Q: What desk height is the 390-520mm lift suitable for?

A: This adjustment range is designed to match standard 710mm to 760mm ICT workbenches, ensuring students can find a comfortable ergonomic position relative to their monitor.

Q: Is the polypropylene shell easy to clean?

A: Absolutely. The plastic shell can be wiped down quickly with a warm, damp cloth and a non-abrasive cleaner. The dark grey colour is also excellent for masking minor scuffs and marks.

Q: Why are tamperproof fixings important?

A: Classroom furniture can often be dismantled by students with basic tools. Our tamperproof fixings require specialized equipment to remove, ensuring the chair remains safe and structurally sound for its entire lifespan.

Q: Is this chair environmentally friendly?

A: Yes. The chair is 100% recyclable. We have designed it so that the metal and plastic components can be easily separated at the end of their life, ensuring zero waste to landfill.

Q: What does the 5-year warranty cover?

A: Our 5-year guarantee covers all structural failures and manufacturer defects for the shell, frame, and gas lift mechanism under standard school usage.

Q: Why should my school buy ICT furniture from Cobolt?

A: With over 50 years of heritage, we specialize in seating that outlasts the competition. We offer Free UK Mainland Delivery and products that are rigorously tested to meet British education standards.

Overview

Product Overview: Dark Grey Classic Polypropylene Swivel Computer Chair

The Cobolt CH61DG is a heavy-duty swivel chair designed for longevity in school ICT labs, libraries, and administrative offices. Supplied with Free UK Mainland Delivery, it combines a sleek, neutral aesthetic with the rugged construction required for high-traffic educational environments.

The Cobolt Advantage

  • Reliable Budget Protection: Backed by a 5-year commercial warranty, this chair is a durable institutional investment designed to outperform and outlast standard office furniture.
  • Security-Focused Engineering: Features high-grade tamperproof fixings that secure the seat shell to the frame, preventing unauthorized tampering or disassembly in classroom settings.
  • Collaborative Mobility: The reinforced 5-castor star base allows for effortless movement, facilitating smooth transitions between independent computer work and group collaboration.

Ergonomics & Sustainability

  • Postural Support: The anatomically sculpted shell provides consistent lumbar support, helping students maintain focus during extended lesson periods.
  • Circulation Management: The integrated waterfall front edge removes pressure from the popliteal arch, ensuring comfort and preventing restlessness during ICT tasks.
  • Circular Economy Ready: 100% recyclable at end-of-life; the modular design allows for easy disassembly so that metal and plastic components can be recovered responsibly.

Institutional Build Quality

Our ICT furniture is built for the "school test." With a 100kg weight limit and a shell manufactured from stain-resistant, high-impact polypropylene, the CH61DG is engineered to survive the daily physical challenges of a busy campus.

The Cobolt Standard

  • 50 Years of Expertise: We are a trusted partner to the UK public sector, leveraging five decades of experience to provide furniture that meets strict BS EN1729 safety and durability standards.
  • Free UK Mainland Delivery: We simplify school procurement by offering complimentary shipping to all UK Mainland addresses as standard.
  • Practical Portability: Features an integrated carry hole in the backrest, making it simple for facilities teams to lift and rearrange chairs for maintenance or exam setups.

Features & Benefits

Where is this Dark Grey Swivel Computer Chair used?

The CH61DG Dark Grey Swivel Chair is the benchmark for Secondary ICT Suites, Digital Libraries, Learning Resource Centres, and Administrative Offices. Its adjustable height makes it a versatile tool for students from Key Stage 3 through to adult staff members.

Key Features

  • Rotating Gas Lift Height Adjustment – Seamless control from 390mm to 520mm to match various desk heights.
  • Ribbed Polypropylene Shell – Contoured outer ribbing provides superior lateral strength and impact resistance.
  • Waterfall Front Edge – Ergonomically curved to protect blood flow in the legs during intensive seated study.
  • Tamper-Resistant Fasteners – High-security fixings ensure the seat remains safely secured to the frame at all times.
  • 100kg Rated Weight Limit – Robust construction designed to support senior students and adults comfortably.
  • High-Stability 5-Castor Base – Black star base provides a stable footprint with smooth, non-tip mobility on school floors.
  • Stain-Resistant Dark Grey Finish – A professional, easy-to-clean polypropylene shell that masks scuffs and maintains its appearance.
  • Modular Disassembly – Supports 100% material recovery at the end of the product's lifespan.
Warranty icon
5-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery
Recyclable icon
100% Recyclable Asset

Cobolt Service & Ethos: Supporting School Estates

  • Durability Specialists: We focus on furniture specifically tested for the "severe use" of UK educational facilities.
  • No Hidden Costs: Inclusive pricing with UK Mainland delivery ensures no budget surprises.
  • Sustainable Procurement: Our 100% recyclable chairs support your school’s commitment to sustainable waste management.
  • Expert Support: Our UK-based team provides technical assistance for assembly and full lab refit planning.

Safety & Warranty

Built for Safety. Backed for Reliability.

  • Full compliance with BS EN1729 Parts 1 & 10 ensures the chair meets European standards for classroom ergonomics, structural strength, and sizing.
  • The high-tensile Rotating Gas Lift allows users to align their eye-level with their monitors, preventing posture-related strain.
  • Reinforced Tamperproof Fixings serve as an effective deterrent against vandalism, keeping the chair safe and intact over years of use.
  • The contoured outer ribbing adds significant structural rigidity to the polypropylene shell, preventing cracking even in high-traffic areas.
  • We provide a comprehensive 5-year manufacturer's guarantee covering the structural integrity of the base, shell, and lift mechanism.

Specification Dimensions

The CH61DG Dark Grey Computer Chair provides a professional, height-adjustable seating solution for modern ICT labs. These specifications detail the heavy-duty build and safety compliance that define the Cobolt institutional standard.

Weight Limit
100kg
Seat Height
390mm - 520mm
Guarantee
5 Years
Specification
Details
Purpose / Benefit
Height Adjustment
390mm to 520mm
Flexible range for students and adult staff members
Seat Dimensions
405mm(W) x 380mm(D)
Standard adult-sized ergonomic footprint for ICT work
Shell Colour
Dark Grey
Professional, scuff-masking finish; easy to wipe clean
Base Finish
Black 5-Castor Star Base
Durable, non-marking mobile base for versatility
Sustainability
100% Recyclable
Designed for easy material recovery at end-of-life
Compliance
BS EN1729 Part 1 & 10
Officially certified for educational environments
Weight
7.5kg
Ideal balance of stability and mobility

Delivery & Returns

FREE Delivery to UK Mainland Zone 1

Your order will be delivered on a standard 5 Working Days service.

For all other locations, please email help@coboltfurniture.co.uk for a quote.


  • Made to Order: Many of our products are manufactured specifically for your order. Because of this, returns depend on the product specifics and require prior permission from Cobolt Furniture.
  • Cancellations: We always endeavour to reduce cancellation costs. However, please note a partial or entire charge may be levied to cover material costs and administrative fees if a made-to-order line is cancelled.

Product FAQs

FAQs: The UK’s Leading ICT Seating Solutions

Q: Does this chair require assembly?

A: Yes. Simple assembly is required to connect the dark grey seat shell, the gas lift, and the castor base. This design ensures that individual components can be easily separated for recycling in the future.

Q: What is the maximum weight limit for this computer chair?

A: This chair is engineered for durability with a maximum weight limit of 100kg. This makes it suitable for secondary school students, college learners, and adult administrative staff.

Q: What desk height is the 390-520mm lift suitable for?

A: This adjustment range is designed to match standard 710mm to 760mm ICT workbenches, ensuring students can find a comfortable ergonomic position relative to their monitor.

Q: Is the polypropylene shell easy to clean?

A: Absolutely. The plastic shell can be wiped down quickly with a warm, damp cloth and a non-abrasive cleaner. The dark grey colour is also excellent for masking minor scuffs and marks.

Q: Why are tamperproof fixings important?

A: Classroom furniture can often be dismantled by students with basic tools. Our tamperproof fixings require specialized equipment to remove, ensuring the chair remains safe and structurally sound for its entire lifespan.

Q: Is this chair environmentally friendly?

A: Yes. The chair is 100% recyclable. We have designed it so that the metal and plastic components can be easily separated at the end of their life, ensuring zero waste to landfill.

Q: What does the 5-year warranty cover?

A: Our 5-year guarantee covers all structural failures and manufacturer defects for the shell, frame, and gas lift mechanism under standard school usage.

Q: Why should my school buy ICT furniture from Cobolt?

A: With over 50 years of heritage, we specialize in seating that outlasts the competition. We offer Free UK Mainland Delivery and products that are rigorously tested to meet British education standards.

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