【Package and Size】Contains 4 black metal curtain brackets and 4 white plastic expansion tubes. The total length of the U-shaped curtain hook is 61 mm. 【High-Quality Material】The curtain buckle is made of zinc alloy, is rust-proof, rust-resistant, and corrosion-resistant. The screw length is moderate, the thread is clear, it can be firmly attached, and is durable. It features a simple black design and matches various curtain styles. 【Spherical End】The end of the U-shaped curtain hook is spherical, which can prevent curtains or clothes from falling off. The surface is smooth and burr-free, won't scratch curtains or clothing, and won't scratch your skin during installation. 【Easy Installation】 You just need to drill a small hole in the wall, insert the plastic expansion tube into the hole, then insert the screw of the curtain hook into the expansion tube, and finally tighten the hook to firmly attach it to the wall. 【Multipurpose】 This set of U-shaped curtain hooks with ball heads is not