Boss Diamond Task Chair In Black


Model: B9090-BK

UPC: 751118909012

85 in stock

SKU B9090-BK Categories , ,
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This diamond task chair is the perfect mobile seating solution for any office. It features an extra large seat complete with wide back cushions and has an overall weight capacity of 275 pounds. Its contoured back provides excellent spinal support, so users can get through those long days without the extra strain. Additional features include pneumatic gas lift seat height adjustment, black upholstery, and adjustable back height and depth. For your convenience, the unit ships ready to assemble.
Mid back ergonomic task chair
Upholstered in Black Crepe fabric
Contoured back and seat provides support and helps relieve back strain
Extra large seat and back cushions
Pneumatic gas lift seat height adjustment
Black nylon base
Hooded double wheel casters

  • Back Adjustment: No
  • Arm Type: Armless
  • Mechanism Type: Height Adjustable
  • Infinite Lock: No
  • Knee Tilt: No
  • Tilt Tension: No
  • Pneumatic Gas Lift: Yes
  • Upright Lock: No
  • Seat Slider: No
  • Weight Capacity: 275 lb
  • Chair Base: Nylon 25 Inch
  • Casters: Dual Wheel Nylon 2 Inch

Designed and manufactured to reduce chemical emissions to the indoor environment.

CA TB117-2013

Fabric, mesh and molded foam are certified by the fire-retardant standard of CA TB117-2013.


Material & Color​

Material: Crepe Color: Black Fabric Code: BL-0048

Product Dimensions​

Product Width: 19.5″ Product Depth: 25″ Product Height: 32″ Max Product Height: 40″ Back Height: 16.5″ Back Width: 17″ Seat Depth: 18″ Seat Width: 20″ Seat Height: 17″ -22″ H Arm Height: N/A

Package Details ​

Shipping Length: 24″ Shipping Width: 11″ Shipping Height: 23″ Shipping Weight: 26 lb Cubic Feet: 3.51 Freight Class: 175

Assembly instructions​

Assembly instructions