Feature:1. SIMPLE OPERATION: Simply use a cross screwdriver against and tighten to fix it, easy and convenient to operate. No additional tools are required, easy to install and remove.2. PREMIUM MATERIAL: Made of premium copper material, strong and not easy to damage, can be used for a long time. Premium material ensures stability and durability.3. MULTIFUNCTIONAL APPLICABILITY: Not only does it suitable for all standard surfboard fin boxes, but suitable for longboards, single fins and many other surfboard types.4. SEAWATER RESISTANT: The surfboard screw and plate kit has excellent seawater erosion resistance. Even if it is immersed in seawater for a long time, it can maintain good performance and is not easy to be corroded by seawater.5. SET OF 4: This kit includes four screws and four plates, but does not come with a mounting screwdriver. Users can quickly install or replace them for easy maintenance of surfboards for surfers.Specification:Item Type: Surfboard Screw PlateMaterial: CopperWeight: Approx. 75g / 2.6oz.Package List:4 xScrew4 x Plate