Feature: 1. Excellent 316 Stainless Steel Material: This swivel hole bolt spring hook is made of excellent 316 stainless steel material, which has a long service life, waterproof, rustproof, erosion resistant, and can be used in seawater environments. 2. Rigid Eye Design: This swivel hole bolt spring hook features a rigid eye design that ensures stability and strength. 3. 360 Degree Swivel Base: This swivel hole bolt spring hook features a 360 degree swivel base that is very flexible and rotates freely. 4. Wide Application: This swivel hole bolt spring hook has a wide range of applications, and is perfect for scuba diving, fishing, boating, keychains, camera straps, bag straps or bungee jumps, pet leashes and collars, flagpoles, tarpaulin covers, clotheslines, leather crafts, and more. 5. Heavy Duty Design: This swivel hole bolt spring hook features a heavy duty design that is very sturdy and load bearing, thus ensuring safety. Specification: Item Type: Swivel Hole Bolt Spring Hook Material: 316 Stainless Steel Application: General Purpose Products, Used for Marine Yachts. Package List: 4 x Swivel Hole Bolt Spring Hook