Office Furniture

Pro-Activ High Back Task Chair With 3D Adjustable Arms

Product ID: 3298


Pro-Activ High Back Task Chair with 3D Adjustable Arms

Pro-Activ office chair is manufactured in the UK, the perfect choice of high back operator chair to suit most working environments. 

Manufactured using CMHR foam and with a double curvature shaped back which is also height adjustable using the handwheel, your Pro-Activ computer chair can be upholstered in Milldale Plus fabric offered in a choice of up to 50 colourways - see downloadable PDF below. Fabric samples are available on request. 

Pro-Activ high back swivel chair has 3D adjustable arms (height, depth and width), a black moulded base with 5cm twin wheel hooded castors and a synchro mechanism providing synchronised seat and back, lockable in various positions, together with seat height adjustment, body weight tension adjustment and safety release mechanism. Gas lift is tested to BS5459 for severe 24 hour use up to 23.75 stone. Supplied pre-assembled.

Option of Independent Mechanism features permanent contact back, independent seat adjustment, lockable in various positions, body weight tension adjustment and seat height adjustment. Other optional extras include a seat slide offering an increased depth of up to 60mm, memory seat foam, inflatable lumbar to provide additional back support and a choice of silver or polished base. 

Made to order in the UK, please refer to our terms and conditions.

delivery free delivery Up to 20 working days

 assembly required assembly required? No 

  guarantee guarantee

5 years (see extra info)

dimensions dimensions (mm)
  Seat Depth 480 
  Back Width 480
  Back Height 660-730
  Overall Depth 610
  Overall Width 500
  Seat Height 420-530

  Hours Usage 8 hours
  Weight Tolerance 23 stone
  Fabric Type 100% Polyester
  Mechanism Synchro

Available Options:
Castor Type:
Arm Option:
Memory Seat Foam:
Base Option:
Seat Slide:
Inflatable Lumbar:
£280.00 exc VAT
£336.00 inc VAT
Pro-Activ High Back Task Chair With 3D Adjustable Arms
Pro-Activ High Back Task Chair With 3D Adjustable Arms
Pro-Activ High Back Task Chair With 3D Adjustable Arms

Extra Info

Manufacturer Info: 

Established in 1970 Pledge Office Chairs have remained one of the countries leading office seating manufacturers.

Accredited to ISO 9001. All chairs are manufactured to conform to all the relevant British and European standards

Accredited to ISO14001 environmental standard and member of the Furniture Industry Sustainability Program (FISP).

Forest Stewardship Council accreditation (FSC).

Upholstery Info:

Fabric Milldale Plus, 100% Polyester, non metallic dyestuffs, flame retardent, medium hazard.


This made to order product is supplied pre-assembled.


  • 5 years warranty on structure
  • 2 years on upholstery






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  • Extra Info
  • This product was added to our catalog on Wednesday 25 June, 2014.
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