Quicksilver Black Diamond Propeller 9.9x 11P QA3810R The Quicksilver Black Diamond propeller is the world’s best selling aftermarket prop. This three blade, aluminum propeller delivers performance, durability, and value. Features: General-purpose 3-blade propeller Inexpensive and easy to repair World’s best selling aftermarket prop Specifications: Diameter: 9.9 Pitch: 11 Rotation: Standard (Right Hand) Number of Blades: 3 Hub: Built-In Rubber Hub Fits: Most 25-30 HP Mercury and Yamaha Outboards Special Order Quicksilver Information:Additional Handling Time: Item transfers from an alternate warehouse requires an additional 13 business days to ship.Non Returnable: This item is ordered specifically for your application and cannot be returned or canceled once processed.Verify Fitment Before Ordering: Please confirm compatibility with your engine model.