Material - This industrial hook is made of iron metal with galvanized surface and the screws are made of stainless steel. Load-bearing capacity - the force surface of the circular base plate is larger and more uniform, and the light hook can bear up to about 100 kg. Application - Hooks can be used to hang ceiling fans, mosquito nets, lanterns, ceiling lights, plants, cages, baskets, chandeliers, chandeliers, crystal lamps, lamps, etc. Material: Metal (Screw: Stainless Steel) Dimensions: Bottom Plate Diameter: 95mm Height: 35mm Package: 2 x Round Base Hanging Plate Kit Installation Steps: 1. Before installing the hook, you need to decide which hole to install. It's best to select one hole to the right of the hook head, and then select the other two holes to form a solid triangle. 2. Place the hook in the hanging location of your choice and mark the ceiling for the location of the mounting holes. 3. Drill the holes as shown, and then press the expansion plug into the hole. 4. Align the holes in the base plate with the holes in the ceiling and tighten the screws. Note: 1. The above size data are all measured manually. Please allow 1-3mm error. 2. The installation process of the hook is very simple, but we still recommend that you install it by a professional.