Six year limited warranty! - Inquire for the Mid Back version, please - Features: Boss B7501 Beautifully upholstered in black LeatherPlus. Passive ergonomic seating with built-in lumbar support. Padded armrests covered with Caressoft upholstery. Large 27" nylon base for greater stability. Hooded double wheel casters. Upright locking position. Pneumatic gas lift seat height adjustment. Adjustable tilt tension control. Optional knee-tilt mechanism upgrade available (B7502). Matching guest chair with black polished steel legs (B7509) or with cantilever sled base (B7519) Arm Height: 26.5--30"H . Seat Size: 21"W x 19"D. Seat Height: 20-23.5". Overall Size: 27"W x 28.5"D x 43.5-47"H. Weight Capacity: 250lbs. * Optional Chrome base upgrade available for all Boss Executive Chairs.

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