Features: Compatibility: Fits U joints with bearing cups 1.0" to 1.25". Great for cars, light-duty trucks, and farm machinery. Supeior 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. .