Quicksilver QA2076X Black Diamond 10.5 x 13P Propeller The Quicksilver Black Diamond propeller is the world's best selling aftermarket prop. This three blade, aluminum propeller delivers performance, durability, and value. This Black Diamond propeller comes equipped with Mercury's Reflex hub system. Fits 40-60 HP engines. Features: General-purpose 3-blade propeller; Inexpensive and easy to repair; World's best selling aftermarket prop; Equipped with Reflex hub system; Recommended for engines with less than 250 horsepower and a top speed of less than 50 MPH Specifications: Diameter: 10.5; Pitch: 13; Rotation: Standard (Right Hand); Number of Blades: 3; Unsure if this prop is right for you?Use our Propeller Finder to ensure you have the right propeller for your boat!//