Purpose-built for all-around paddling, the NRS SUP Board All-Water Fin can handle slow-moving currents, short flatwater tours and anything in between. Shaped and designed for versatile performance in a range of paddling conditions. A tethered locking tab holds the fin securely in the plate. Built with rugged nylon-reinforced plastic. Compatible with any NRS or STAR iSUP, including older NRS models.