Black High Back Computer Chair 28.25" x 24" x 44.75-48.25" : 8511-231 - Pro Line II by Office Star Products | Madison Liquidators
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High Back Computer Chair

This high back office chair features a multi-function adjustment system that allows you to control the back angle, seat angle, and forward tilt of the seat with three separate levers. Fine-tune the tilt with a tension knob for your perfect comfort zone. This product comes standard in Black and can support up to 250 pounds.

Price:$505.00 $750.00 30% Off

Estimated Arrival - Order today and receive as soon as Mon. Oct. 2 - Oct. 16


  • Tilt tension
  • Sliding seat
  • Adjustable back height
  • Weight capacity: 250 lbs
  • 2-way adjustable armrests
  • Thick padded seat and back
  • Dual wheel casters for carpet
  • Titanium finish aluminum base
  • Pneumatic seat height adjustment
  • 360 degree swivel for ease of motion
  • Multi-function adjustment mechanism
    • One lever adjusts back angle relative to seat
    • Another lever adjusts seat angle
    • Both can be adjusted simultaneously
    • Forward tilt capability for keyboard-intensive work
  • Product Dimensions
    • Back Height: 22.75"
    • Back Width: 20"
    • Seat Depth: 18.25"
    • Seat Width: 20.75"
    • Seat Height Range: 19.25-22.75"
    • Overall Measurements: 28.25"W x 24"D x 44.75-48.25"H
  • Greenguard certified
  • Warranty:
    • Lifetime guarantee on pneumatic cylinder, control mechanism, base and casters
    • 3 years on upholstery and foam against wear and deterioration

Product Specs


Model Number8511-231
Parts List8511-231


Dimensions28.25" x 24" x 44.75-48.25"
MaterialAluminum, Fabric, Nylon, Steel
FeaturesAdjustable Arms, Adjustable Back, Adjustable Seat, Casters, Height Adjustable, High Back, On Wheels, Rolling, Seat Slider, Swivel, Tilt, Tilt Tension, with Arms
Capacity1 Person

Parts List

Please note that for items with multiple size options, the parts list may be slightly modified to meet the dimensions requested.

QTYPart #DescriptionList PriceOur PriceLine Total
18511-231Multi-Function High Back Chair with Seat Slider and Titanium Finish Base. Contour Molded Seat and Back with Built in Lumbar Support. One Touch Pneumatic Seat Height Adjustment. Multi-Function Control with Forward Tilt and Seat Slider. Adjustable Tilt Tens$750.00$505.00$505.00

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