A vibrant canary-yellow polymer high stool with a 610mm seat height, featuring a structural anti-tilt chassis and an ergonomic high back for secure student use in campus laboratories.
A technical display of a yellow high stool highlighting its BS EN16139:2013 Level 2 rating for severe contract use, 125kg load threshold, and vertical stacking optimization for 12 units.
Technical schematic for the high back stool series detailing a 610mm seat height, 945mm total height, and 6.3kg unit weight for the 610mm laboratory model.

Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: 685mm Yellow High Back Senior Stool

This High Back Stool range is the ultimate response to the demands of senior academic and professional workshop environments. Dispatched with Free UK Mainland Delivery, this 685mm Yellow model offers a striking, hygienic, and incredibly resilient seating option for high-bench settings.

Indestructible One-Piece Build

  • Unified Construction: The injection-moulded polypropylene body is formed as a single structural unit, removing the screws and bolts that typically fail under intensive institutional use.
  • Sanitisation Ready: The non-porous, waterproof surface is perfect for medical or food-tech environments where chemical resistance and deep cleaning are essential requirements.
  • Compact Vertical Storage: An innovative nesting design allows for 16 stools to be stacked safely in a vertical column just 2 metres high, maximising floor space.

Safety & Posture Focused

  • Anti-Tilt Security: Integrated skid rails widen the foundation of the stool, preventing users from rocking or tipping—a vital safety feature for seating at a 685mm height.
  • Ergonomic Support: A waterfall front edge and built-in 40mm footrest work in tandem to improve circulation and reduce leg fatigue during long experiments.
  • Severe Use Certified: Independently tested to BS EN16139 Level 2, this stool is rated for the toughest contract use, exceeding the strength requirements of standard classroom seating.

Sustainable British Quality

We are proud to provide high-performance, British-made furniture that supports local industry while meeting the most stringent global safety standards. By choosing our 100% recyclable one-piece stools, you are opting for a sustainable procurement cycle that significantly reduces environmental impact and long-term replacement costs.

The Cobolt Standard

  • 50 Years of Heritage: Trust in our half-century of experience supplying the UK education sector with furniture built to surpass British safety benchmarks.
  • Free UK Mainland Delivery: We offer a transparent, all-inclusive pricing model with no hidden shipping fees for your institution.
  • 10-Year Protection: Every stool carries a full 10-year structural guarantee, ensuring your school's budget is protected for the long term.

Where is this 685mm Yellow One-Piece Stool used?

The Yellow High Back Senior Stool is a premier choice for Higher Education Laboratories, Adult Education Studios, Architecture Workshops, and Sixth Form Breakout Zones. Its high-visibility Yellow finish is ideal for designating specific zones or creating a modern, high-energy aesthetic in professional learning spaces.

Key Features

  • Jointless One-Piece Moulding – A singular structural unit with zero maintenance or fixings to check.
  • 685mm Senior Height – Precision dimensioned for adult-height (900mm+) benches and workstations.
  • Skid-Rail Anti-Tilt Base – Integrated rails ensure the stool remains grounded and stable during active tasks.
  • Severe Use Rated – Meets BS EN16139 Level 2 standards for industrial-grade institutional durability.
  • High-Back Lumbar Support – Ergonomic shell assists in maintaining focus and reduces postural fatigue.
  • Integrated 40mm Footrest – Encourages healthy posture and provides vital lower-limb support at height.
  • Waterproof & Chemical Resistant – Easy-clean surface that thrives in art, science, or culinary environments.
  • 16-High Nesting – Industry-leading vertical stacking for effortless room transitions and storage.
UK Manufactured icon
Proudly UK Manufactured
10 Year Warranty icon
10-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery

Safety Engineered. Professional Strength.

  • The Anti-Tilt Base Design utilizes a widened skid rail to provide a stable foundation, preventing tipping on various floor surfaces in senior workshops.
  • A Waterfall Front Seat Edge prevents the restriction of circulation in the legs, a vital ergonomic feature for students working at high benches for long periods.
  • Full compliance with BS EN1729 Parts 1 & 2 guarantees the stool meets the highest UK standards for ergonomic dimensions and strength.
  • The 10-Year Manufacturer Warranty covers the structural integrity of the stool, ensuring it survives the demands of the most rigorous campus environments.
  • High-Impact Polypropylene creates a shatter-proof shell that remains smooth and hygienic even after years of intensive laboratory use.

The 685mm Yellow High Back Stool is engineered for senior-level academic environments. Technical dimensions for facility planning are provided below.

Seat Height
685mm
Weight Capacity
125kg
Warranty
10 Years
Specification
Details
Purpose / Benefit
Total Height
1020mm
High-back support for adult students
Total Dimensions
1020mm(H) x 495mm(W) x 530mm(D)
Optimised footprint for senior workstations
Construction Material
Seamless Polypropylene
Rust-proof, chemical-resistant, and jointless
Stacking Height
16 High (approx. 2m)
Maximises storage floor space
Unit Weight
6.6kg
Sturdy yet portable for campus handling
Compliance
BS EN16139 Level 2
Certified for severe institutional use

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: Professional High-Bench Stools

Q: When should I choose the 685mm height for my facility?

A: The 685mm seat height is designed for use with workstations that are approximately 900mm to 1000mm high. This is the industry standard for university laboratories, adult education studios, and professional workshop environments.

Q: How does the anti-tilt frame protect adult learners?

A: At elevated heights, stability is paramount. Our signature skid-rail architecture prevents the stool from tilting backwards if a user shifts their weight, ensuring a stable and safe platform for detailed practical work.

Q: Are these stools resistant to chemical splashes in a lab?

A: Yes. High-impact polypropylene is naturally resistant to most common chemicals and acids. The non-porous surface prevents liquids from soaking in, allowing for instant and effective sanitisation.

Q: How stable is a stack of 16 stools?

A: The precision nesting design ensures that the weight of the stack is distributed vertically. This creates a highly stable column that won't lean or tip even when stored at the maximum height of 16 units.

Q: Does the yellow finish show surface wear easily?

A: No. The high-impact polypropylene is through-coloured and features a textured finish that is specifically designed to hide surface marks and maintain its vibrant appearance in high-traffic settings.

Q: Is there any assembly required on delivery?

A: No. These stools are delivered fully moulded and ready for immediate deployment. This jointless design means there are no screws to check or tighten, reducing long-term maintenance costs.

Q: Are these stools environmentally sustainable?

A: Yes. They are 100% responsibly recyclable at the end of their life. Additionally, their UK manufacture means they carry a significantly smaller carbon footprint compared to imported furniture.

Q: Why choose the high-back model for senior students?

A: High-back stools offer essential lumbar reinforcement, which is often missing in lab seating. This support helps students maintain focus and reduces back strain during lengthy double-period practicals.

Overview

Product Overview: 685mm Yellow High Back Senior Stool

This High Back Stool range is the ultimate response to the demands of senior academic and professional workshop environments. Dispatched with Free UK Mainland Delivery, this 685mm Yellow model offers a striking, hygienic, and incredibly resilient seating option for high-bench settings.

Indestructible One-Piece Build

  • Unified Construction: The injection-moulded polypropylene body is formed as a single structural unit, removing the screws and bolts that typically fail under intensive institutional use.
  • Sanitisation Ready: The non-porous, waterproof surface is perfect for medical or food-tech environments where chemical resistance and deep cleaning are essential requirements.
  • Compact Vertical Storage: An innovative nesting design allows for 16 stools to be stacked safely in a vertical column just 2 metres high, maximising floor space.

Safety & Posture Focused

  • Anti-Tilt Security: Integrated skid rails widen the foundation of the stool, preventing users from rocking or tipping—a vital safety feature for seating at a 685mm height.
  • Ergonomic Support: A waterfall front edge and built-in 40mm footrest work in tandem to improve circulation and reduce leg fatigue during long experiments.
  • Severe Use Certified: Independently tested to BS EN16139 Level 2, this stool is rated for the toughest contract use, exceeding the strength requirements of standard classroom seating.

Sustainable British Quality

We are proud to provide high-performance, British-made furniture that supports local industry while meeting the most stringent global safety standards. By choosing our 100% recyclable one-piece stools, you are opting for a sustainable procurement cycle that significantly reduces environmental impact and long-term replacement costs.

The Cobolt Standard

  • 50 Years of Heritage: Trust in our half-century of experience supplying the UK education sector with furniture built to surpass British safety benchmarks.
  • Free UK Mainland Delivery: We offer a transparent, all-inclusive pricing model with no hidden shipping fees for your institution.
  • 10-Year Protection: Every stool carries a full 10-year structural guarantee, ensuring your school's budget is protected for the long term.

Features & Benefits

Where is this 685mm Yellow One-Piece Stool used?

The Yellow High Back Senior Stool is a premier choice for Higher Education Laboratories, Adult Education Studios, Architecture Workshops, and Sixth Form Breakout Zones. Its high-visibility Yellow finish is ideal for designating specific zones or creating a modern, high-energy aesthetic in professional learning spaces.

Key Features

  • Jointless One-Piece Moulding – A singular structural unit with zero maintenance or fixings to check.
  • 685mm Senior Height – Precision dimensioned for adult-height (900mm+) benches and workstations.
  • Skid-Rail Anti-Tilt Base – Integrated rails ensure the stool remains grounded and stable during active tasks.
  • Severe Use Rated – Meets BS EN16139 Level 2 standards for industrial-grade institutional durability.
  • High-Back Lumbar Support – Ergonomic shell assists in maintaining focus and reduces postural fatigue.
  • Integrated 40mm Footrest – Encourages healthy posture and provides vital lower-limb support at height.
  • Waterproof & Chemical Resistant – Easy-clean surface that thrives in art, science, or culinary environments.
  • 16-High Nesting – Industry-leading vertical stacking for effortless room transitions and storage.
UK Manufactured icon
Proudly UK Manufactured
10 Year Warranty icon
10-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery

Safety & Warranty

Safety Engineered. Professional Strength.

  • The Anti-Tilt Base Design utilizes a widened skid rail to provide a stable foundation, preventing tipping on various floor surfaces in senior workshops.
  • A Waterfall Front Seat Edge prevents the restriction of circulation in the legs, a vital ergonomic feature for students working at high benches for long periods.
  • Full compliance with BS EN1729 Parts 1 & 2 guarantees the stool meets the highest UK standards for ergonomic dimensions and strength.
  • The 10-Year Manufacturer Warranty covers the structural integrity of the stool, ensuring it survives the demands of the most rigorous campus environments.
  • High-Impact Polypropylene creates a shatter-proof shell that remains smooth and hygienic even after years of intensive laboratory use.

Specification Dimensions

The 685mm Yellow High Back Stool is engineered for senior-level academic environments. Technical dimensions for facility planning are provided below.

Seat Height
685mm
Weight Capacity
125kg
Warranty
10 Years
Specification
Details
Purpose / Benefit
Total Height
1020mm
High-back support for adult students
Total Dimensions
1020mm(H) x 495mm(W) x 530mm(D)
Optimised footprint for senior workstations
Construction Material
Seamless Polypropylene
Rust-proof, chemical-resistant, and jointless
Stacking Height
16 High (approx. 2m)
Maximises storage floor space
Unit Weight
6.6kg
Sturdy yet portable for campus handling
Compliance
BS EN16139 Level 2
Certified for severe institutional use

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: Professional High-Bench Stools

Q: When should I choose the 685mm height for my facility?

A: The 685mm seat height is designed for use with workstations that are approximately 900mm to 1000mm high. This is the industry standard for university laboratories, adult education studios, and professional workshop environments.

Q: How does the anti-tilt frame protect adult learners?

A: At elevated heights, stability is paramount. Our signature skid-rail architecture prevents the stool from tilting backwards if a user shifts their weight, ensuring a stable and safe platform for detailed practical work.

Q: Are these stools resistant to chemical splashes in a lab?

A: Yes. High-impact polypropylene is naturally resistant to most common chemicals and acids. The non-porous surface prevents liquids from soaking in, allowing for instant and effective sanitisation.

Q: How stable is a stack of 16 stools?

A: The precision nesting design ensures that the weight of the stack is distributed vertically. This creates a highly stable column that won't lean or tip even when stored at the maximum height of 16 units.

Q: Does the yellow finish show surface wear easily?

A: No. The high-impact polypropylene is through-coloured and features a textured finish that is specifically designed to hide surface marks and maintain its vibrant appearance in high-traffic settings.

Q: Is there any assembly required on delivery?

A: No. These stools are delivered fully moulded and ready for immediate deployment. This jointless design means there are no screws to check or tighten, reducing long-term maintenance costs.

Q: Are these stools environmentally sustainable?

A: Yes. They are 100% responsibly recyclable at the end of their life. Additionally, their UK manufacture means they carry a significantly smaller carbon footprint compared to imported furniture.

Q: Why choose the high-back model for senior students?

A: High-back stools offer essential lumbar reinforcement, which is often missing in lab seating. This support helps students maintain focus and reduces back strain during lengthy double-period practicals.

Yellow One-Piece Polypropylene Anti-Tilt High Back Stool - 685mm Seat Height

Product code: ST1610YE
Modernise your higher-tier learning environments with the Yellow One-Piece Polypropylene Anti-Tilt High Back Stool (685mm). This taller variant is spe...

Inc VAT

Exc VAT

£69.00

£57.50

Colours - Yellow
Seat Height - 610mm

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Overview

Features

Safety & Warranty

Specifications & Dimensions

Delivery & Returns

Product FAQs

Product Overview: 685mm Yellow High Back Senior Stool

This High Back Stool range is the ultimate response to the demands of senior academic and professional workshop environments. Dispatched with Free UK Mainland Delivery, this 685mm Yellow model offers a striking, hygienic, and incredibly resilient seating option for high-bench settings.

Indestructible One-Piece Build

  • Unified Construction: The injection-moulded polypropylene body is formed as a single structural unit, removing the screws and bolts that typically fail under intensive institutional use.
  • Sanitisation Ready: The non-porous, waterproof surface is perfect for medical or food-tech environments where chemical resistance and deep cleaning are essential requirements.
  • Compact Vertical Storage: An innovative nesting design allows for 16 stools to be stacked safely in a vertical column just 2 metres high, maximising floor space.

Safety & Posture Focused

  • Anti-Tilt Security: Integrated skid rails widen the foundation of the stool, preventing users from rocking or tipping—a vital safety feature for seating at a 685mm height.
  • Ergonomic Support: A waterfall front edge and built-in 40mm footrest work in tandem to improve circulation and reduce leg fatigue during long experiments.
  • Severe Use Certified: Independently tested to BS EN16139 Level 2, this stool is rated for the toughest contract use, exceeding the strength requirements of standard classroom seating.

Sustainable British Quality

We are proud to provide high-performance, British-made furniture that supports local industry while meeting the most stringent global safety standards. By choosing our 100% recyclable one-piece stools, you are opting for a sustainable procurement cycle that significantly reduces environmental impact and long-term replacement costs.

The Cobolt Standard

  • 50 Years of Heritage: Trust in our half-century of experience supplying the UK education sector with furniture built to surpass British safety benchmarks.
  • Free UK Mainland Delivery: We offer a transparent, all-inclusive pricing model with no hidden shipping fees for your institution.
  • 10-Year Protection: Every stool carries a full 10-year structural guarantee, ensuring your school's budget is protected for the long term.

Where is this 685mm Yellow One-Piece Stool used?

The Yellow High Back Senior Stool is a premier choice for Higher Education Laboratories, Adult Education Studios, Architecture Workshops, and Sixth Form Breakout Zones. Its high-visibility Yellow finish is ideal for designating specific zones or creating a modern, high-energy aesthetic in professional learning spaces.

Key Features

  • Jointless One-Piece Moulding – A singular structural unit with zero maintenance or fixings to check.
  • 685mm Senior Height – Precision dimensioned for adult-height (900mm+) benches and workstations.
  • Skid-Rail Anti-Tilt Base – Integrated rails ensure the stool remains grounded and stable during active tasks.
  • Severe Use Rated – Meets BS EN16139 Level 2 standards for industrial-grade institutional durability.
  • High-Back Lumbar Support – Ergonomic shell assists in maintaining focus and reduces postural fatigue.
  • Integrated 40mm Footrest – Encourages healthy posture and provides vital lower-limb support at height.
  • Waterproof & Chemical Resistant – Easy-clean surface that thrives in art, science, or culinary environments.
  • 16-High Nesting – Industry-leading vertical stacking for effortless room transitions and storage.
UK Manufactured icon
Proudly UK Manufactured
10 Year Warranty icon
10-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery

Safety Engineered. Professional Strength.

  • The Anti-Tilt Base Design utilizes a widened skid rail to provide a stable foundation, preventing tipping on various floor surfaces in senior workshops.
  • A Waterfall Front Seat Edge prevents the restriction of circulation in the legs, a vital ergonomic feature for students working at high benches for long periods.
  • Full compliance with BS EN1729 Parts 1 & 2 guarantees the stool meets the highest UK standards for ergonomic dimensions and strength.
  • The 10-Year Manufacturer Warranty covers the structural integrity of the stool, ensuring it survives the demands of the most rigorous campus environments.
  • High-Impact Polypropylene creates a shatter-proof shell that remains smooth and hygienic even after years of intensive laboratory use.

The 685mm Yellow High Back Stool is engineered for senior-level academic environments. Technical dimensions for facility planning are provided below.

Seat Height
685mm
Weight Capacity
125kg
Warranty
10 Years
Specification
Details
Purpose / Benefit
Total Height
1020mm
High-back support for adult students
Total Dimensions
1020mm(H) x 495mm(W) x 530mm(D)
Optimised footprint for senior workstations
Construction Material
Seamless Polypropylene
Rust-proof, chemical-resistant, and jointless
Stacking Height
16 High (approx. 2m)
Maximises storage floor space
Unit Weight
6.6kg
Sturdy yet portable for campus handling
Compliance
BS EN16139 Level 2
Certified for severe institutional use

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: Professional High-Bench Stools

Q: When should I choose the 685mm height for my facility?

A: The 685mm seat height is designed for use with workstations that are approximately 900mm to 1000mm high. This is the industry standard for university laboratories, adult education studios, and professional workshop environments.

Q: How does the anti-tilt frame protect adult learners?

A: At elevated heights, stability is paramount. Our signature skid-rail architecture prevents the stool from tilting backwards if a user shifts their weight, ensuring a stable and safe platform for detailed practical work.

Q: Are these stools resistant to chemical splashes in a lab?

A: Yes. High-impact polypropylene is naturally resistant to most common chemicals and acids. The non-porous surface prevents liquids from soaking in, allowing for instant and effective sanitisation.

Q: How stable is a stack of 16 stools?

A: The precision nesting design ensures that the weight of the stack is distributed vertically. This creates a highly stable column that won't lean or tip even when stored at the maximum height of 16 units.

Q: Does the yellow finish show surface wear easily?

A: No. The high-impact polypropylene is through-coloured and features a textured finish that is specifically designed to hide surface marks and maintain its vibrant appearance in high-traffic settings.

Q: Is there any assembly required on delivery?

A: No. These stools are delivered fully moulded and ready for immediate deployment. This jointless design means there are no screws to check or tighten, reducing long-term maintenance costs.

Q: Are these stools environmentally sustainable?

A: Yes. They are 100% responsibly recyclable at the end of their life. Additionally, their UK manufacture means they carry a significantly smaller carbon footprint compared to imported furniture.

Q: Why choose the high-back model for senior students?

A: High-back stools offer essential lumbar reinforcement, which is often missing in lab seating. This support helps students maintain focus and reduces back strain during lengthy double-period practicals.

Overview

Product Overview: 685mm Yellow High Back Senior Stool

This High Back Stool range is the ultimate response to the demands of senior academic and professional workshop environments. Dispatched with Free UK Mainland Delivery, this 685mm Yellow model offers a striking, hygienic, and incredibly resilient seating option for high-bench settings.

Indestructible One-Piece Build

  • Unified Construction: The injection-moulded polypropylene body is formed as a single structural unit, removing the screws and bolts that typically fail under intensive institutional use.
  • Sanitisation Ready: The non-porous, waterproof surface is perfect for medical or food-tech environments where chemical resistance and deep cleaning are essential requirements.
  • Compact Vertical Storage: An innovative nesting design allows for 16 stools to be stacked safely in a vertical column just 2 metres high, maximising floor space.

Safety & Posture Focused

  • Anti-Tilt Security: Integrated skid rails widen the foundation of the stool, preventing users from rocking or tipping—a vital safety feature for seating at a 685mm height.
  • Ergonomic Support: A waterfall front edge and built-in 40mm footrest work in tandem to improve circulation and reduce leg fatigue during long experiments.
  • Severe Use Certified: Independently tested to BS EN16139 Level 2, this stool is rated for the toughest contract use, exceeding the strength requirements of standard classroom seating.

Sustainable British Quality

We are proud to provide high-performance, British-made furniture that supports local industry while meeting the most stringent global safety standards. By choosing our 100% recyclable one-piece stools, you are opting for a sustainable procurement cycle that significantly reduces environmental impact and long-term replacement costs.

The Cobolt Standard

  • 50 Years of Heritage: Trust in our half-century of experience supplying the UK education sector with furniture built to surpass British safety benchmarks.
  • Free UK Mainland Delivery: We offer a transparent, all-inclusive pricing model with no hidden shipping fees for your institution.
  • 10-Year Protection: Every stool carries a full 10-year structural guarantee, ensuring your school's budget is protected for the long term.

Features & Benefits

Where is this 685mm Yellow One-Piece Stool used?

The Yellow High Back Senior Stool is a premier choice for Higher Education Laboratories, Adult Education Studios, Architecture Workshops, and Sixth Form Breakout Zones. Its high-visibility Yellow finish is ideal for designating specific zones or creating a modern, high-energy aesthetic in professional learning spaces.

Key Features

  • Jointless One-Piece Moulding – A singular structural unit with zero maintenance or fixings to check.
  • 685mm Senior Height – Precision dimensioned for adult-height (900mm+) benches and workstations.
  • Skid-Rail Anti-Tilt Base – Integrated rails ensure the stool remains grounded and stable during active tasks.
  • Severe Use Rated – Meets BS EN16139 Level 2 standards for industrial-grade institutional durability.
  • High-Back Lumbar Support – Ergonomic shell assists in maintaining focus and reduces postural fatigue.
  • Integrated 40mm Footrest – Encourages healthy posture and provides vital lower-limb support at height.
  • Waterproof & Chemical Resistant – Easy-clean surface that thrives in art, science, or culinary environments.
  • 16-High Nesting – Industry-leading vertical stacking for effortless room transitions and storage.
UK Manufactured icon
Proudly UK Manufactured
10 Year Warranty icon
10-year manufacturer guarantee
Free delivery icon
Free UK Mainland Delivery

Safety & Warranty

Safety Engineered. Professional Strength.

  • The Anti-Tilt Base Design utilizes a widened skid rail to provide a stable foundation, preventing tipping on various floor surfaces in senior workshops.
  • A Waterfall Front Seat Edge prevents the restriction of circulation in the legs, a vital ergonomic feature for students working at high benches for long periods.
  • Full compliance with BS EN1729 Parts 1 & 2 guarantees the stool meets the highest UK standards for ergonomic dimensions and strength.
  • The 10-Year Manufacturer Warranty covers the structural integrity of the stool, ensuring it survives the demands of the most rigorous campus environments.
  • High-Impact Polypropylene creates a shatter-proof shell that remains smooth and hygienic even after years of intensive laboratory use.

Specification Dimensions

The 685mm Yellow High Back Stool is engineered for senior-level academic environments. Technical dimensions for facility planning are provided below.

Seat Height
685mm
Weight Capacity
125kg
Warranty
10 Years
Specification
Details
Purpose / Benefit
Total Height
1020mm
High-back support for adult students
Total Dimensions
1020mm(H) x 495mm(W) x 530mm(D)
Optimised footprint for senior workstations
Construction Material
Seamless Polypropylene
Rust-proof, chemical-resistant, and jointless
Stacking Height
16 High (approx. 2m)
Maximises storage floor space
Unit Weight
6.6kg
Sturdy yet portable for campus handling
Compliance
BS EN16139 Level 2
Certified for severe institutional use

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: Professional High-Bench Stools

Q: When should I choose the 685mm height for my facility?

A: The 685mm seat height is designed for use with workstations that are approximately 900mm to 1000mm high. This is the industry standard for university laboratories, adult education studios, and professional workshop environments.

Q: How does the anti-tilt frame protect adult learners?

A: At elevated heights, stability is paramount. Our signature skid-rail architecture prevents the stool from tilting backwards if a user shifts their weight, ensuring a stable and safe platform for detailed practical work.

Q: Are these stools resistant to chemical splashes in a lab?

A: Yes. High-impact polypropylene is naturally resistant to most common chemicals and acids. The non-porous surface prevents liquids from soaking in, allowing for instant and effective sanitisation.

Q: How stable is a stack of 16 stools?

A: The precision nesting design ensures that the weight of the stack is distributed vertically. This creates a highly stable column that won't lean or tip even when stored at the maximum height of 16 units.

Q: Does the yellow finish show surface wear easily?

A: No. The high-impact polypropylene is through-coloured and features a textured finish that is specifically designed to hide surface marks and maintain its vibrant appearance in high-traffic settings.

Q: Is there any assembly required on delivery?

A: No. These stools are delivered fully moulded and ready for immediate deployment. This jointless design means there are no screws to check or tighten, reducing long-term maintenance costs.

Q: Are these stools environmentally sustainable?

A: Yes. They are 100% responsibly recyclable at the end of their life. Additionally, their UK manufacture means they carry a significantly smaller carbon footprint compared to imported furniture.

Q: Why choose the high-back model for senior students?

A: High-back stools offer essential lumbar reinforcement, which is often missing in lab seating. This support helps students maintain focus and reduces back strain during lengthy double-period practicals.

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