The chandelier hook is made of iron metal, using electroplating technology, the surface is galvanized, smooth, corrosion-resistant, stable. The size of the rectangular bottom plate is 68x16mm, with two 15x6mm oval screw holes, the distance between the two holes is 46mm, and the total height is 35mm. The heavy-duty debris hook has a load-bearing capacity. If properly installed in a place, the hook can withstand a weight of approximately 8 kg/18 lbs. 3 iron galvanized ceiling lamp hooks, 6 screws, 6 rubber plugs. Mainly used to hang large crystal lamps, chandeliers and other lamps. It can also be used to hang heavy objects such as ceiling fans, plant baskets, lanterns, and bird cages. hook 68mm Heavy-duty screw mounting iron galvanized ceiling hook bracket Metal Silver 21 grams Total height: 35 mm/1.38 inches Rectangular base plate: 68 x 16 mm/2.67 x 0.63 inches Oval screw hole: 15 x 6 mm/0.59 x 0.24 inches Distance between 2 oval holes: 46 mm/1.81 inch Hook thickness: 5.5 mm/0.22 inch 3 x Iron galvanized ceiling light hook 6 x screws 6 x rubber stoppers This lamp accessory can fix your lamp or chandelier to the ceiling and is usually not included in the actual purchase kit. Attach this iron lamp hook to the ceiling to support your lamp. We provide matching screws and rubber plugs, just make sure the screws are screwed into the ceiling or joist correctly. This bracket hook can be used in many different places and is widely used in homes and factory areas. It can be used compatible with heavy objects such as chandeliers, crystal lamps, DIY lamps, ceiling fans, plant baskets, lanterns, bird cages, etc. The ceiling hook can support a weight of 8 kg. This is only applicable to the assumption that the ceiling itself can also support all weight. When possible, we recommend that you use joists to support the weight of the luminaire. We always recommend that all accessories be performed by qualified installers.