Metal Constructed of high premium stainless steel 304 makes it rustproof and heavy duty. Matt black finish creates a simple but elegant look, which reflects contemporary style. Modern style and practical designs for your bathroom, suitable for most kinds of bathroom décor. Cost-Effective Products - favorable price for high quality product, ideal choice for bathroom. Concealed screw mount, easy to install, and mounting hardware included. 304 stainless steel The whole body is constructed of Type 304 premium grade stainless steel,with added 18/10Chromium/Nickel content to protect against corrosion & rust.4 protection layers are added on 304 stainless steel to make it More durable and More Anti-Ru Easy to install 1 Measure the pitch and Drill the holes 2 Use hammer to put the expansion screws into holes 3 Align the bottom part with the screw hole and tighten the screws 4 Align the main part with the bottom part 5 Tighten the inner hexagon screw with the hexagon wrench