The Motorguide MGA087M 3-Blade Aluminium Weedless Shallow Water Machete Propeller is constructed of cast aluminium, giving it incredible thrust and long lasting durability.The MGA087M is Motor Guide's most durable propeller, and us used by top professionals for shallow water boating.The propeller pin and nut are included.It is recommended for use with 36-volt Digital lower unit motors.