The Pelican POSEIDON paddle is A tool of choice for your next kayak adventure Impact resistant It features fiberglass reinforced polypropylene blades a two-piece aluminum shaft drip rings and 0 to 65 degrees blade angle adjustment Indexing feature to ensure you are holding your paddle properly there is a very subtle variation in the shaft of our paddles The shaft goes from a rounded shape to a slightly oval shape (called indexing) which serves as a reference to where you should be placing your right hand This allows you to grip the paddle firmly with your right hand and loosely with your left hand which will prevent fatigue and lead to a more pleasurable experience