1. Heavy duty double layer hooks. one hook for two screws, match each other well. 2. Black hooks: double-ended dressing gown hook, double hooks design, help you save space and keep your home organized; elegant hook will add a classic minimalist touch, special design makes double hooks beautiful, rustic, vintage, suitable for most decorations. 3. Double hook Strong and durable material: these double hooks are made of zinc alloy, durable, rust and scratch resistant, recommended for mounting on solid wood or wooden surface. 4. Black hook recommended for mounting on solid wood or wood surface. Take the hook and mark the place where you will install. Drill a hole and screw the hook in place. Works in damp and humid climates such as garages, patios, bedrooms, bathrooms, wardrobes, entryways, etc. 5. Cleaning method: it is recommended to move or use a blower to clean the dust.