HIGH QUALITY MATERIALMade of 304 stainless steel, anti-rust, and water resistant, good for outdoor project.HEAVY DUTYExtremely good for heavy-duty applications, holds objects with up to 200-250lbs. You can screw them into walls, woods, plywood, drywall and many different places to hang various items. Such as wall art,ring light, string lights, ladder hooks, hammock, jewelry holder, jewelry hanger, wire basket, etc.LONGER THREAD LENGTH Overall Length =3.2, Thread Length =1.77, Hole Dimension = 0.59 "; longer length makes it more secure.WIDELY USEDGenerally used to attach cables, chains and ropes in concrete and wood surfaces. Perfect for hanging office objects, gym accessories, pot plants,hanging garden tools,kitchen tools,outdoor lamps, even for marine, bath and outdoor applications and so on. Also suitable for securely hanging light weight items such as lights, picture, arts, small rope cords, chains, and more.EASY TO INSTALLMetal points can bite into wood, plywood or drywall swiftly without stripping; provide maximum strength and durability.