42" W x 54" D (107 x 137cm), 1-1/2" (38mm) dia. Constructed of 18-gauge (1.2mm), type 304 satin-finish stainless steel tubing. Concealed mounting flange 1⁄8" (3mm) thick, type 304 stainless steel plate, 2" W x 3 1⁄8" H (50 x 80mm), with screw holes for concealed anchors. Cover is 22-gauge (0.8mm), type 304 stainless steel with satin finish, 3 1⁄4" (85mm) diameter. Cover snaps over mounting flange to conceal screws.