36" (914mm) long, 1-5/16" (33mm) dia. Constructed of 1" (25mm) zinc-plated tubing , with antimicorbrial vinyl coating. Grab bar is constructed with two reinforced flanges to withstand 1102 pounds (500 kg) of force when installed properly. Concealed mounting flangeis polyamide 6 -fiberglass reinforced nylon with glossy finish, with screw holes for concealed anchors. Cover is polyamide 6 -fiberglass reinforced nylon with glossy finish, 1/8" (3.2mm) thickness and 3-1/4" (83mm) diameter. Cover snaps over mounting flange to conceal screws.