Cataract Magnum Oar Blade:
Now the blade insert has groves along all edges so that it is easier to remove blade from shaft. Whether you're fishing or whitewater rafting, these buoyant blades are a welcome addition. Structural polyurethane coating around a lightweight composite core. 7" Magnum blade incorporates the strength of the original with a teardrop design: wider tip and thinner cross-section enters the water quicker and reduces flutter.