Specifications: 13" diameter x 19" pitch, 3 blade, 15 tooth spline, Aluminum, RH rotation, Replace OEM# 48-77346A45 Fitment: Fit for Mercury/Mariner 40-50 Bigfoot FourStroke, 60 Bigfoot-75-115 TwoStroke/FourStroke, 125 Premium Material: Made of aluminum alloy metal, coated with anti-corrosion protection paint to prevent rusting, stronger blades with better performance Quality: This boat propeller is durable and easy to maintain and repair, specifically designed to handle high horsepower, improves acceleration and top speed on many boats Note: You can buy it with confidence. If there is any problem about this product, we will spare no efforts to cope with it and promise to provide you a satisfactory service Fit for Mercury/Mariner 40-50 Bigfoot FourStroke, 60 Bigfoot-75-115 TwoStroke/FourStroke, 125