The hooks and non-slip coating are made of iron and PVC material, seamless capacity up to 25kg/10kg respectively. Strong and reliable hooks for years for heavy objects! The hooks are sturdy enough to hang chairs, stairs, bicycles, power tools, garden tools, gardening tools and other bulky items once they are /> are properly mounted on the wall.Strong and beautiful welding can withstand many types of heavy objects.Rubber coating makes the hook safer and more beautiful.Ideal for the garage, basement, shed, store, kitchen, bathroom. Easy Installation: All screws for different walls will be provided. There are some steps to help you 1.Make two 8mm holes; 2.Insert the expansion screws into the holes respectively; 3.Place the holes and tighten them screws; 4. Installation is complete. Specification: Color: Orange Material: Iron < br/> Size: Large U-hook: 13 x 12.9x6 cm Small U-hook: 10.8x7x6.6 cm Package includes: 4 x large U-hooks