Boss Diamond Task Chair In Black W/ Adjustable Arms


Model: B9091-BK

UPC: 751118909111

10 in stock

SKU B9091-BK Categories , ,
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This mid back ergonomic task chair is the perfect way to increase productivity and remain comfortable while doing so. Its contoured back seat promotes proper posture that prevents back strain, while its extra large seat and back cushions ensure maximum comfort. Additional features include adjustable arms, pneumatic gas lift seat height adjustment, black upholstery, and adjustable back height and depth. It is available in four colors, so there are plenty of options for matching your existing color scheme.
Boss Diamond Task Chair In Black W/ Adjustable Arms
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

  • Back Adjustment: No
  • Arm Type: Adjustable
  • 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: 25″ 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: 24″-32″ H

Package Details ​

Shipping Length: 24″ Shipping Width: 11″ Shipping Height: 23″ Shipping Weight: 32 lb Cubic Feet: 3.51 Freight Class: 175

Assembly instructions​

Assembly instructions