Versatile: The eye hook can be used for a wide range of applications, including hanging ropes, chains, and other items from ceilings, walls, or other surfaces. The U hook can be used in lines, barrier systems, or for hanging decorations and lights, making them a versatile and practical choice for both commercial and residential use.SpecificationColor: Silver ToneMaterial: MetalBuckle Inner Diameter: 21.7mm / 0.9 inchMounting Hole Diameter: 4mm / 0.2 inchMounting Hole Distance: 31mm / 1.2 inchOverall Size: 40 x 40 x 35mm / 1.6 x 1.6 x 1.4 inch(L*W*H)Packing List: 2 x U Hooks for Hanging, 4 x Mounting Screws, 4 x Expansion TubesAdvantageStrong and durable: Our ceiling hanging hook is made of quality metal, ensuring their durability and longevity. Their strength and durability make them good for commercial use.