Durable MaterialThe screw is made of excellent stainless steel, not easy to rust, be more durable in fresh or salt water. You can swim in the sea for a long time and needn't worry about the broken problem. Silicone circle designThe black silicone circle matched between the screw and the plate make the surfboard screws more stable and increase the use-life of the product. Easy InstallationYou can tighten it manually without using any other tools, just tighten the surfboard with your fingers easily, as picture shows. Wide ApplicationThis surfboard screw is suitable for all standard, , futures surfboard fin boxes for longboard, paddleboard, inflatable and single fin. Its perfect gift for yourself and your friends Weight: 8.4g Quantity: 1pcs Color: primary color Size: 32*4mm Material: Stainless steel