"This Wilson Tuffy Work Station provides the durability and organization essential for busy shops, garages and industrial settings. U.S.A. Wheel Type Swivel caster, Dimensions W x D x H in. 28 x 20 x 15, Wheel Size in. 4, Shelves qty. 3, Material Type Industrial plastic, steel. Durable thermoplastic resin injection molding will not chip, warp, crack, rust or peel 20-gauge steel locking drawer keeps tools and supplies safe and secure Easy-to-clean non-staining surface 18in.D x 24in.W shelves and a 1/4in. safety retaining lip with a raised texture surface prevent slipping"