Keep your marine engine running smoothly with this set of 20 stainless steel cotter pins, specifically designed for secure propeller fastening. Compatible with Yamaha F150, Compatible with Yamaha F200, Compatible with Yamaha F300, Compatible with Suzuki DF140A, Compatible with Suzuki DF250A, Compatible with Suzuki DF300B, and Compatible with Johnson/Evinrude engines, these pins are essential hardware for medium and large marine motors. Crafted from high-quality stainless steel, they resist corrosion and wear, making them perfect for use in saltwater and humid environments. The hairpin-style design ensures a quick and firm lock, preventing propellers from loosening during operation. Each pin measures M4 x 50mm, offering a universal fit for a variety of applications. Whether you're replacing old pins or upgrading your boat's hardware, these cotter pins deliver peace of mind on the water. Engineered for reliability and durability, they're a must-have for any boat owner looking to keep their vessel in top condition. Don't let a loose propeller ruin your day—equip your boat with hardware you can trust.