Ideal for extended sitting periods, this adjustable stool helps fight fatigue with 5 ergonomic adjustments and a contoured seat and back. The upholstery of this swivel stool is made with puncture and wear resistant self skinned polyurethane that is easy to clean. The seat features a plate reinforcement that helps this shop chair withstand heavy duty use in tough working environments. The seat also has a waterfall edge to help blood circulation to the legs. Ergonomic adjustments of this work stool include independent seat and back tilt adjustment, 38 to 48-1/2 back height adjustment, 22 to 32-1/2 pneumatic seat height adjustment and 2 back depth range adjustment. Seat measures 18-1/2W x 18D. Back measures 16-1/2W x 13H. Stable 5 blade base includes both casters for mobility and glides for stationary use. Loops armrests included for arm support. Easy Assembly. 1 Year Limited Warranty. This shop stool includes a 360 degree chrome foot ring that is height adjustable., Lot of 1