Solid Metal Construction: This hook is made from zinc alloy, sturdy and heavy duty design, ensuring durability and longevity. SUS304 Stainless Steel Bracket: Mounting bracket is made of SUS 304 stainless steel with added 18/8 chromium/nickel content to protect against corrosion & rust. No worry about rusting in humid environments such as bathroom, shower and kitchen. Matt Black Finish: Beautiful matt black finish, build to resist daily scratches and corrosions. Space-Saving: Hook base dimensions are 1.7-inch by 3.2-inch, compact size, ideal for small bathrooms and closets. Swinging 3-hook design, allowing you to put them away to save more space when it is not in use. Hardware Included: Screws, anchors, set screw and mounting bracket are included. You can finish installation in 5 minutes: use included screws to mount the bracket, then put the hook onto the bracket and tighten the set screw.