QuicksilverQA1912XBlack Diamond 15 x 17P PropellerThe Quicksilver Black Diamond propeller is the world’s best selling aftermarket prop. This three blade, aluminum propeller delivers performance, durability, and value. The Black Diamond is a great choice for engines with less than 250 HP with a top speed of less than 50 MPH.Features:General-purpose 3-blade propellerInexpensive and easy to repairWorld’s best selling aftermarket propSpecifications:Diameter: 15Pitch: 17Rotation: Standard (Right Hand)Number of Blades: 3Material: AluminumHub: Flo-Torq II hub kit (sold separately)Fits:Most outboards (2.5 horsepower and above)Alpha, Bravo One, and Volvo-Penta SX stern drivesReplaces :QA1912,QA2012X,QA3012X,TA1912,TA1912X