It has three wide and accurately balanced blade designs. This is developed to fit the power curve of the outboard for better performance, top strength, and durability. It has a unique corrosion-resistant paint that provides added protection against galvanic corrosion and saltwater. Key Features: It has a diameter of 12.5 inches with 13 inches pitch Sturdy blades with better performance Great acceleration and top speed It is a durable and high-efficiency propeller 40-75 HP (small gearcase and thru-hub exhaust) 13 tooth spline, 3-3/8 inches gearcase Exclusive compression cast procedure It is created with aluminum to give strength and a longer life span Specifications: SKU: 763461 Weight: 5.00 lbs Number of blades: 3 Material: Aluminum UPC: 824375030031 Size: 12 1/2 x 13 inches Rotation: right hand (RH) Engine type: Johnson and Evinrude Number of splines: 13 tooth spline Hub kit: not required (rubber pressed in the hub) This product replaces:BRP763461, 824375030031, 763461, 177153, BRP177153