Features and Benefits:•Designed for use on bearing cup outer diameter 1.25 in - 1.75in.;Cast out of high-quality heavy-duty steel, U-Joint Pullers are built with quality and precision to last and deliver the best user experience possible.;Greatly reduces the risk of damaging joints, bearing caps, yokes, and driveshafts;Engineered to be used with 1/2 in. impact wrench