Turning Point Hustler Aluminum-Left-Hand Propeller 4 Blade Size: 15 x 15 4-Blade. Note: A Hub Kit is required for installation of this propeller. See the Turni Performance Upgrade to OEM & Aftermarket Propellers. Squeeze Cast for Added Strength & Stainless Per Improve Handling and Boat Lift Long Lasting Finish Uniquely engineered with two different blade geom