Application — Fits U joints with bearing cups 1.0″ to 1.25″. Great for cars, light-duty trucks, and farm machinery. Superior Quality– Manufactured from heavy duty carbon steel which has processed metal treatment to ensure threads will hold up under even the most extreme conditions. Function — Specifically designed to removes sealed u-joint cups quickly and easily. This «original» U-Joint Puller provides ultimate brute strength for disassembling. Nice Performance — Does not damage the driveshaft, yokes, joints, or bearing cups. Eliminates dangerous vice and socket, or hammering methods. .