Propulse composite propeller, adjustable and replaceable blades. <br /><br />Suitable for: Johnson/Evinrude 25-35 hp, Mercury/Mariner 2-stroke 18-25 hp, Suzuki 20-30 hp outboard motors. The pitch angle of the propellers can be selected between 11-17. You can adjust the pitch yourself and give your boat the best performance in each application area (e.g. water skiing, light or heavy cargo). A properly adjusted propeller saves fuel, increases the boat's speed and improves driving characteristics. <br />