Package Includes: our package includes 20 pieces of longboard fin screw, the abundance of screws ensures you have enough replacements handy for multiple boards, making it an efficient choice for professional surfers, surfing schools, or leisurely beach getaways Quality Material: the surfboard fin screw is made of stainless steel, renowned for its toughness and corrosion resistance; The robust material ensures an extended service life and maximum reliability, reducing the worry of rust or breakage, thereby lending peace of mind while surfing Nicely Sized for Convenience: with a total length of 1.38 inches/ 35 mm, our longboard fin screws are designed to provide effortless installation; Their size makes them perfect for longboards, SUPs, single fin, paddle boards, and most standard surfboards; This versatility ensures these screws are nice accessories for nearly all your surfing equipment; Please check the size carefully before buying Quick and Easy Installation: the screw tool is easy to use, requiring no additional tools for their installation; Simply tighten the included rubber O ring by hand, and you're ; The process is not only quick and easy, but also allows for convenient replacement of screws when required, catering to all your surfing needs efficiently Compatibility and Versatility: the fin screws for surfboard are compatible with most standard surfboards, suitable for longboards, SUPs, single fins, and paddleboards, among others Color: silver Material: Stainless steel Package Contents: 20 x fin screw Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.