Features:Material: 304 stainless steel construction rust resistantand anticorrosion.Easy Use: Can be easily tightened with a Phillips screwdriver. Simply screw in the correct position. Easy to use hand checked for quality control and means no tools are ever needed.Rust-resistant: This product is a surfboard screw made of durable stainless steel sheet and screw materials made of stainless steel designed to last a long time and today.Widely Use: Suitable for all standard surfboard center fins such as longboard SUP and paddle board. Slide in the lamellar box insert the lamella screw in tighten with a flat-blade screwdriver.Package: Our package come with 4pcs surfboards fin screwSpecificationMaterial: Stainless steelColor: SilverSize(L x Dia): About 32 x 4mm/1.3 x 0.16inchPackage included:4pcs x Surfboards Fin Screw