Boss Heavy Duty Task Chair

Model: B670-BK

This heavy duty task chair is perfect for those looking for a robust and comfortable seat with efficient ergonomic support. It features a high density foam seat, durable Black Crepe fabric upholstery, and padded arms incorporated in a steel wraparound style construction. Its curved ergonomic back provides excellent lumbar support, while its pneumatic gas lift seat allows for easy height adjustment. There’s also a 2 paddle heavy duty spring mechanism that can be locked in any position within the tilt range.

SKU: B670-BK Categories: , , Tags: ,


  • Back Adjustment: No
  • Arm Type: Fixed
  • Mechanism Type: 2 paddle, heavy duty
  • Infinite Lock:Yes
  • Knee Tilt: No
  • Tilt Tension: Yes
  • Pneumatic Gas Lift: Yes
  • Upright Lock: Yes
  • Seat Slider: No
  • Chair Base: Black Steel 27 inch
  • Casters: Large Heavy Duty Nylon
  • Weight Capacity: 300 lb

Additional information


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: 27"
  • Product Depth: 30"
  • Product Height: 34"
  • Max Product Height: 37.5"
  • Back Height: 19.5"
  • Back Width: 20"
  • Seat Depth: 19.5"
  • Seat Width: 20"
  • Seat Height: 18.5"-22"H
  • Arm Height: 26"-30"H

Package Details

  • Shipping Length: 27"
  • Shipping Width: 16"
  • Shipping Height: 26"
  • Shipping Weight: 43 lb
  • Cubic Feet: 6.5
  • Freight Class: 175

Assembly instructions

Assembly Video

Product Features Video