1、HIGH PERFORMANCE: The woodruff key is suitable for 2 stroke 4 stroke outboard engine, designed to fit snugly into intended slots, ensuring a secure fit and reliable performance. 2、ABS MATERIAL: Woodruff key is made of premium ABS material, which provides excellent durability and reliability and ensures long time and stable use. 3、EASY INSTALLATION: The installation of woodruff key is very easy, and suitable to be done by yourself, no need for professional technician. 4、EXCELLENT POWER HANDLING PERFORMANCE: It can provide excellent power and handling performance to meet different needs of sailing requirements. 5、HIGH COMPATIBILITY: Woodruff key is compatible with a wide range of outboards, suitable for all types of boats without additional modifications.