Swivel seat turns 360� and locks every 90� allowing easy entry to and exit from the bench. * Specially-designed sliding rings lock the seat at each end of the sliding rails. * Seat glides over polished high-strength aluminum tubes. * Molded plastic seat and back textured finish. * Rust-proof lightweight aluminum construction. * Adjustable height to fit user and bathtub clearance. * No tools necessary for assembly. * Specifications: Seat Size: 17.75 x 14.75 Seat Height: 18.75 - 23 Base Length: 48 - 49 Base Depth: 18.5 - 20.5 Max Tub Clearance: 18.5 Back Height from Floor: 32.5 - 36.75 Weight Capacity: 300 lbs.