Made from premium, durable steel material for heavy-duty and longer use Zinc-plated and electro-galvanized finish for higher rust and corrosion resistance in any condition You can screw them into walls, woods, plywood, drywall and many different places to hang various items Ideal for hanging wall art, ring light, string lights, ladder hooks, hammock, jewelry holder, jewelry hanger, wire basket, etc. Generally 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