The hook behind the door is easy to install, no drilling is required, just hang on the door to start using. The hook won't damage the door. It also doesn't make an annoying noise when it's turned on or off. Behind the door hooks include 5/6/7 small hooks that add space to hang clothes, bags, hats, keychains, towels and even thick terry cloth and flannel robes. The hook behind the door maximizes the storage space at the back door, says goodbye to a messy home, and keeps life in order. Made of heavy-duty carbon steel material, it can withstand considerable weight without bending or breaking. The hook on the door also has a good matte coating, rust prevention, corrosion resistance, to ensure long-term use. The lengthened design helps you hang items easily. Widening the hook makes it hang more firmly on the door. The stylish and modern design of the hook behind the door blends perfectly with any decoration to show your taste. Item Name: Over Door Hook Material: Carbon Steel Features: Punch Free, Removable Design, Heavy Duty Size Details: 7 Hooks, L: 47.5cm/18.7", W: 18.2cm/7.17" (Approx.) 6 Hooks, L: 40cm/15.75", W: 18.2cm/7.17" (Approx.) 5 Hooks, L: 32.5cm/12.8", W: 18.2cm/7.17" (Approx.) Max Door Thick: 4.5cm/1.77" (Approx.) Crack Between Door And Frame: Above 0.2cm/0.08" (Approx.) Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package Includes: 1 x Over Door Hook