【Q-ring safety buckle design】On the basis of ordinary hooks, a Q-ring safety buckle design is added, which can fix the screw more firmly on the wall and prevent accidental falling after the pendant. [Sturdy and Durable] Made of high-quality carbon steel, the material is thick and hard, durable and not easy to break; it is also treated with an anti-rust coating, which plays a good role in wind and rust resistance. Total length: The diameter of the hook is 2.16 inches and the length of the screw end is 0.7 inches. [Easy to Install] Simply screw the screw hooks for hanging the Christmas lights into the wooden or concrete wall with a hammer, wrench, or drill. When attaching the screw hook to the wall, first drill a hole in the wall and insert it into the plastic tube, then insert the hook into the plastic tube. [MULTI-PURPOSE] Ideal for everyday use. Lightweight items can be securely hung, such as outdoor Christmas lights, lanterns, plants, ropes, chains, bird feeders, curtains, cups,