[High-Quality Material]: Stainless steel screws will not rust in water or salt water; In addition, the rubber O-ring acts as a \"spring\" to ensure pressure on the screw and to tighten the screw without scratching the board. [Easy to Use]: Manual tightening of the rubber O-ring means no tools are required and no screwdriver is needed to install, adjust or remove long fins or vertical fins; There are no tools that can make your groundwater faster. [Protect Your Surfboard]: Until now, some people have always used screws to fix the board's long fins and are always frustrated by screwdriver jumps and scratches on the fins/board. Those days are already over. These fin-shaped screws will definitely protect your surfboard or paddleboard. [Compatible]: Our fin screws fit most standard surfboard fin boxes used for longboards, SUPs, single fins, and paddleboards; These fin screws are perfect for any board with a center fin. [What You Will Get] A package includes 6 surfboard fin screws, enough quantity to meet your daily needs, which is great for your daily surfing gatherings. Color: Silver Material: Stainless steel Package contents: 6 * Paddleboard Fin Screws Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item to be a little different from the real thing. The allowed measurement error is +/- 1-3 cm.