Eurotech OSS400 Task Chair (Pewter Gray H11 Fabric) w/Drafting Kit DSK500: Features pneumatic seat height adjustment, back-height seat adjustment, adjustable foot ring, molded seat and back cushion. Includes both rolling casters and glides. Overall dimensions: 20"W x 24"D x 40.5"-48"H. Seat: 19.5"W x 18.5"D. Back: 17.5"W x 17"H. Weight 38 lbs. Ships in 24-72 hours! Assembly required. Shown with optional RAYPU-20 Armrests, sold seperately.