Surfers and paddle boarders, keep your fins secure with these heavy-duty nylon fin buckles! This 5-pack gives you plenty of spares for multiple boards or to have extras on hand. Made from good-quality nylon material that's wear-resistant and solid, these clips strengthen the fixation between your water distributor and base to make fins more firm and stable. The sliding and locking design makes them perfect as movable center fins for inflatable paddle boards. They're easy to assemble and disassemble, plus they connect tightly with an anti-lost rope so you don't lose them in the water. Each clip measures about 41x14mm and works with all kinds of inflatable surfboards and paddle boards. Whether you're hitting the waves or cruising calm waters, having reliable fin clips makes all the difference in your board's performance and stability. If you're tired of loose or wobbly fins that affect your ride, these nylon buckles deliver the secure connection you need for confident surfing and paddling every time you hit the water!