Material: This industrial hook is made of iron metal with a galvanized surface finish. The included screws are made of stainless steel. Load Capacity: The round bottom plate provides a larger and more uniform force distribution area. The hook can support up to approximately 100 kg. Application: Suitable for hanging ceiling fans, mosquito nets, lanterns, ceiling lights, plants, cages, baskets, pendant lights, chandeliers, crystal lamps, and other light fixtures. Material: Metal (Screws: Stainless Steel) Dimensions: Bottom plate diameter: 90 mm, Height: 35 mm Package Includes: 2 x Round Base Ceiling Plate Kits Installation Steps: 1. Before installing the ceiling hook, determine the optimal mounting location. Choose one hole in the desired direction of the hook head, then select two additional holes to form a stable triangular mounting pattern. 2. Position the hook at the desired location on the ceiling and mark the mounting hole positions. 3. Drill holes at the marked locations and insert the provided expansion plugs. 4. Align the bottom plate holes with the ceiling holes and securely tighten the screws. Note: 1. All dimensions are manually measured. Please allow for a possible variation of 13 mm. 2. Although installation is straightforward, professional installation is recommended.