Safe and durable: These coat hooks are made of zinc alloy, are waterproof and rustproof. The screws are made of iron, are tough and durable and not easy to break. The screw hole is a countersunk hole design that is stable and firm. Product size: The size of the coat hooks is 1.65 x 1.22 inches, the screw length is 0.55 inches and the screw head diameter is 0.24 inches. These screws can be precisely matched to the hook holes to better secure the screw hook. Wide range of applications: You can use these black coat hooks kits in a variety of locations such as bedrooms, locker rooms, bathrooms and closets to hang various items, keys, hats, belts, bags, shirts, towels, cups, cookware and other items to keep homes clean, warmer and more more convenient to build. Packaging: 20 coat hooks and 40 screws, this kit is enough to meet your daily needs.