The AquaBound Manta Ray Carbon kayak paddle with a Posi-Lok ferrule is designed to provide superior performance with low swing weight by combining a carbon shaft with carbon abX II blades. The AquaBound Manta Ray Carbon blades have a slightly larger surface for athletic paddlers who prefer a high angle paddling style with more bite. It's ideal for those interested in fitness, adventure racing, or those who like to use an aggressive, high-angle paddle stroke. The Manta Ray Carbon features the Posi-Lok adjustable ferrule system. Posi-Lok is an adjustable ferrule system which allows the paddle to be feathered at several angles and makes adjustability on the fly a breeze. Left handed paddlers, or paddlers who enjoy changing the angle of the paddle to suit the conditions, will like the versatility of the Posi-Lok ferrule system. Simply pinch the dual-button release and twist to your desired feather angle. The ferrule clicks firmly into the lock position to achieve a rock solid connection with no play whatsoever. The Posi-Lok ferrule does NOT allow for changes to the length of the paddle.