Fabricated of type 304 stainless steel. Accessory posts are welded to a 2" square flange and secured to a heavy gauge stainless steel mounting plate by means of a stainless steel set screw. Traditional, gap-free, easy-to clean design. 8" deep consisting of four 3/8" diameter stainless steel tubes, with 1/4" diameter stainless steel towel bar below shelf. Overall height: 4 1/4". Projects 8" from wall.