Industrial height stool features a solid molded polyurethane seat and backrest.Welded steel elevated five-spoke tubular base with attached 18 fixed footrest. High-lift pneumatic seat height adjustment is standard. Simple mechanism manual back depth and height adjustment. Comes with 2-1/2 glides. Stool measures 24 Dia. x31 to 43-1/2 H overall. Black seat and back with Chrome base. Features: Weight Capacity: 250 lbs. Meets ANSI/BIFMA standards Available in black finish Polyurethane seat and backrest for maximum comfort Assembly required Pneumatic seat height back height and seat depth adjustment 360° Swivel Specifications: Finished Product Dimensions: 35.5 to 46 H x 25 W x 25 D Finished Product Weight: 29 lbs. Wheel / Caster Style: Glides Wheel / Caster Size: 2 Seat Size: 18 W x 16.5 D Back Size: 12 H x 17 W Seat Height: 22 to 30 Base Size: 25 diameter The American National Standards Institute (ANSI) and the Business and Institutional Furniture Manufacturer s Association (BIFMA) work together to produce voluntary standards that provide a common basis for evaluation of product safety durability and structural adequacy.