[Package Included] 50 pcs black serrated picture hooks + 100 pcs screws.[Stable Hanging] Sawtooth Picture Hook 1.50*0.28 inches (38*7mm) Screws 0.28*0.43 inches (7 x 11mm), this picture hanging solution makes it easy to hang picture frames on the wall.[Easy to Use] Picture hooks are easy to install. Simply use a screwdriver to attach the serrated picture hook to the back of the picture frame, and the picture hanging hardware attaches directly to the wall hook.[Wide Application] The sawtooth picture hook is suitable for most pictures, photo frames, decorations, home decoration, small mirrors, weddings, artwork, children's drawings, clocks, paintings, modern paintings, certificates or wooden surfaces.HIGH QUALITY MATERIALThis sawtooth photo frame hanger is made of upgraded high-quality steel, with a smooth surface, rust-proof, rust-resistant, durable and strong, so you dont have to worry about falling it off the sawtooth photo frame hanger.