It's necessary to keep your propeller in good working order if you want to keep your boat going smoothly. A well-maintained propeller will give you the most power, efficiency, and enjoyable performance on the water. Torque is converted into thrust by the Michigan Wheel Marine 9 1/4" x 7 RH Aluminum 012102 boat propeller. By directing the flow of water downward and behind the blades, the operation of turning the propellers provides the force. Key Features: Three-blade premium aluminum design. Right-hand rotation. Designed and built for marine applications. The impact is absorbed by a NAVAL brass spindle with a rubber cushioned hub. Excellent primary prop at a weekend-saver price. Improved powder coating and beefier bushing. Perfect aluminum replacement propeller. Throughout the manufacturing process, it has been proven and verified for superior sturdiness to ensure it fulfills your quality standards. Elegant design, great performance quality, long durability, and high dependability. Boat applications that are recommended include inflatables, walleye boats, aluminum consoles, family cruisers, workboats, offshore singles, pontoons, ski boats, and houseboats. Specification: SKU: 012102 UPC: 014984000871 Weight: 2.39 LBS Material: Aluminum Pitch: 7" Diameter: 9 1/4" Engine Type: Evinrude, Johnson, Honda, Mariner, Yamaha No. Splines: Pin No need for a hub kit (rubber pressed in the hub).