Quicksilver Black Diamond Propeller delivers great performance and value! The Black Diamond Prop is cast with an exclusive aluminum alloy with a durable high-gloss Phantom Black finish for toughness and exceptional corrosion resistance. This Black Diamond 3-Blade Aluminum Propeller comes with a rubber hub.• Quicksilver Part Number: QA3810R• Aluminum• 3 Blades• Diameter: 9.875"• Pitch: 11.25"• Right Hand RotationMercury/Mariner Applications25 hp '80-'8428 hp '76-'7930 hp '79-'90Yamaha Applications20 hp '96-'9725 hp '80 and newer30 hp '79 and newer Rubber Hub included | Quicksilver Black Diamond 3-Blade Prop w/ Hub / Aluminum 9.875 dia x 11.25 RH