1.IMPROVED PERFORMANCE: This paddleboard fin is made with premium quality materials guaranteed to withstand the test of time, having an essential role when it comes to increasing stability, balancing steering maneuvers and traction. 2.EASY DIY INSTALLATION: Unlike similar products on the market, this longboard fin features a practical, user friendly design, with a quick-release detachable system which slides in and secures in a matter of seconds. Say goodbye to the hassle of screws or tools! 3.WIDELY COMPATIBLE: This center fin was designed to ensure optimal compatibility with most surf boards, paddle boards, kayaks or long boards, being ideal for all sorts of brands and board sizes. 4.IDEAL FOR EVERYONE: Order the surfing fins for yourself or as a thoughtful present for a watersports enthusiastic friend or loved one, and you can be sure to win their appreciation! Our paddleboard fins were created for all difficulty levels, from beginners to professional users.