This industrial stool from Safco features a 2" microcellular self-skinned polyurethane foam covering for both comfort and durability and is ideal for any application that requires multiple or extended height adjustments. Other features include (8) inches of pneumatic seat height adjustment and an additional (10) inches of adjustment with the Wave Tube Extension for a total of (35) inch adjustment range, adjustable back rest height, seat depth adjustment, 360-degree swivel, dual-clutch posture control, wide-angled textured footrest that insures a secure footing and a 26" five-leg tubular steel fixed base with 2-1/2" high-impact nylon glides to keep the stool stationary. Additional caster options available. Meets or exceeds ANSI/BIFMA standards. Dimensions: Seat Size: 16.25"W x 16.25"D. Back Size: 14.5"W x 9"H. Seat Height Adjustment: 17" - 35"H. Limited lifetime warranty from SAFCO. This chair normally ships within 2-3 business days.