Aqua Bound Manta Ray Hybrid 2-Piece Posi-Lok™ Kayak PaddleRedesigned, stronger blade. The blade shape provides a smoother forward stroke with less chances for flutter, stiffer feel, and quieter entry and exit. The upgraded fiberglass + nylon blade material is stronger (meaning less flex) and thicker, making it more durable and robust long term. Fiberglass reinforced nylon blades are designed for forgiveness and just the right amount of flex, keeping the kayak moving efficiently even with extra gear slowing