Feature 【Application】 Perfectly fits for Yamaha 150-300HP propeller installation. (Please refer to below product description for specific models.) 【High Performance】 Direct replacement for OEM part number 6E5-45987-01 both in quality and function. Specially designed to easily and properly replace the damage or lost propeller prop mounting hardware, perfectly fit. Great for backup onboard and save your money. 【Superior Material】 Made from top quality brass, CNC machined process, is with excellent mechanical and physical properties, rust and wear resistance, ensures long term problem-free service. .