1、HIGH EFFICIENCY POWER: With a power output of 40 horsepower, the outboard engine propeller shaft ensures ample thrust and high performance to ensure the normal operation of the boat. 2、STAINLESS STEEL CONSTRUCTION: The propeller shaft is made of stainless steel, ensuring superior durability and long lasting performance. It can withstand harsh marine conditions and resist rust. 3、IMPROVED FUEL EFFICIENCY: The high efficiency gearbox design of the propeller shaft enhances the fuel efficiency of the outboard motor. It reduces drag and maximizes power transfer, resulting in improved fuel savings during operation. 4、CONVENIENT INSTALLATION: Featuring a gearbox propeller shaft design, the outboard engine propeller shaft enables a quick and easy installation, saving both time and effort. 5、VERSATILE COMPATIBILITY: Designed to be compatible with various 2 stroke 40HP outboard motors, ensuring wide applicability, making it ideal for long term use.