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Boss Heavy Duty Task Chair

Item # B670-BK
Boss Heavy Duty Task ChairMagnifier
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This Deluxe Heavy duty use Task Chair will be perfect for any office.  It has a 300lb capacity and is built with High Density Foam and durable black crepe fabric.  The task chair also features a curved ergonomic back for excellent lumbar support. The chair also features a 2 paddle locking heavy duty spring tilt mechanism with tension control. It also features padded arms incorporated into steel wrap around style construction, a 27" black powder coated metal base  deluxe oversize casters and pneumatic seat height adjustment.

  • 300lb capacity
  • High Density Foam
  • Durable black crepe fabric
  • Curved ergonomic back for excellent lumbar support
  • 2 paddle locking heavy duty spring tilt mechanism with tension control
  • Padded arms incorporated into steel wrap around style construction
  • 27" black powder coated metal base with deluxe oversize casters
  • Pneumatic seat height adjustment
  • Arm Height: 26"-30"H
  • Seat Size: 20"W X 19.5"D
  • Seat Height: 18.5"-21"H
  • Overall Size: 25"W X 30"D X 35"-38"H

Additional Features

Furniture Assembly: Assembly Required
Seat Width: 20 In.
Seat Depth: 20 In.
Application/Environment: Big and Tall Office Chairs, Computer Chairs, Task Chairs, Adjustable Seat Height, Adjustable Tilt, With Arms, Upholstered Back and Seat, Metal, Fabric, Black, Conference Room, Executive Office, Home Office, Home/Residential, Office/Commercial

Weight & Dimensions

Weight Measurements
43 Lbs. 38" H x 25" W x 30" D

Shipping Information

Free Ground Shipping
Ships via: FedEx Ground
Estimated Delivery Time
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Product Warranty


NORSTAR Office Products wants you to be happy with their products. When used and maintained properly, they will provide you with years of satisfaction.  NORSTAR chairs are warranted against manufacturing defects in material and workmanship for six years from the ORIGINAL DATE OF RETAIL PURCHASE with the following exceptions: Upholstery materials, foam, gas cylinders, wood components, control mechanisms and electronic components. Upholstery materials and foam are warranted against unusual wear or deterioration and gas cylinders, wood components, and controls against structural failure or unusual wear for EIGHTEEN months. All electronic components for the massaging units have a 90-day warranty period.

The warranty obligation is limited to the replacement or repair, at NORSTAR OFFICE PRODUCTS’ option, of defective parts and components. The warranty of this product is null and void if the product is subject to negligence, abuse, misuse, modification, accident, or if the customer does not perform the necessary maintenance outline below. The warranty is only rated for the original purchaser of the product and will not be honored if the product is resold. All warranties are for normal usage defined as a forty-hour workweek by persons weighing two hundred fifty pounds or less. Exceptions are the model B205 that is limited to one hundred fifty pounds. The B990, B999 which are limited to three hundred fifty pounds and the B670 which is limited to three hundred

Should any component be found to be defective under normal single shift usage (eight hours a day), that component will be replaced free of charge. In order to get the replacement part, please contact the dealer from whom it was purchased for instruction on how to return the part for repair or replacement. Customers must be responsible for maintenance of this product including assembly, cleaning, and making sure all hardware is securely fastened.

This warranty applies only to the product; the manufacturer is not responsible in any way for loss, inconvenience or any other special or consequential damages caused by any product defect. This warranty is the only warranty applicable on all Norstar products. All other warranties, expressed or implied prior, are disclaimed.

NORSTAR casegoods are warranted against manufacturing defects in material and workmanship for one year from the ORIGINAL DATE OF RETAIL PURCHASE.