18 in L x 1-1/4 in Dia tubing, peened finish. Constructed of 18 ga, type 304 satin-finish stainless steel tubing. Concealed mounting flange 1/8 in THK, type 304 stainless steel plate, 2 in W x 3-1/8 in H, with screw holes for concealed anchors. Cover is 22 ga, type 304 stainless steel with satin finish, 3-1/4 in Dia Cover snaps over mounting flange to conceal screws. Bobrick Grab Bar, Straight, Series: B-5806, 1-1/4 in Dia, 18 in Length, 900 lb, Wall Mount, 304 Stainless Steel, Satin, Domestic