【Specifications】13.25" diameter x 17" pitch, 3 blade, 15 tooth spline, Aluminum, RH rotation, Replace OEM# 48-77344A45 【Fitment】Fit for Mercury/Mariner 60 (Bigfoot), 75 (2 & 4 stroke), 90 ( 4 stroke), 100, 115 and 125 HP outboards 【Premium Material】Made of aluminum materials, coated with anti-corrosion protection paint to prevent rusting, stronger blades with better performance 【Quality】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 13.25" diameter x 17" pitch, 3 blade, 15 tooth spline, Aluminum, RH rotation, Replace OEM# 48-77344A45