Features: 1Marine Propeller: A propeller is a device that converts the rotational power of an engine into propulsion by rotating the blades in the air, or a marine propeller with two or more blades attached to the hub. 2Perfect Fitment: Product number is 664?45954?00?EL, good paint and speed, suitable for for 20hp?30hp outboard engines, important and necessary accessory. 3Easy To Install: Reasonable structure and design, easy installation and disassembly, wonderful replacement for the old or broken one. 4Wide Range Of Use: Exquisite workmanship, pay attention to details, size: 9 7/8 x 12?F, 9 7/8 diameter, 12 pitch. Suitable for professional shipyards and factories. 5Aluminum Alloy Material: The propeller adopts great aluminum alloy material, safe and eco friendly, rust proof and corrosion resistant, anti impact and firm, durable for use. Package included: 1 x Outboard Propeller