KH550 Intermediate Drafting Chair with Adjustable Footrest Intermediate Drafting Chair with Adjustable Footrest. Contour Self Skinned Urethane Seat and Back with Built-in Lumbar Support. One Touch Pneumatic Seat Height Adjustment. Back Height Adjustment. Adjustable Footrest. Heavy Duty Nylon Base with Dual Wheel Carpet Casters. Free Ground Shipping (UPS / FedEx / Curbside) KH Series collection Part of the Work Smart series Overall Dimensions: 18.5"w x 22.5"d x 48.75"h Seat Height: 22"-32" Contour Self Skinned Urethane Seat and Back with Built-in Lumbar Support One Touch Pneumatic Seat Height Adjustment Back Height Adjustment Adjustable Footrest