Features FITMENT Great for cars, light-duty trucks, and farm machinery. APPLICATION Work with U-Joint bearing cups from 1.0″ to 2.5″ (recommend getting this measurement before ordering to ensure compatibility.) NICE DESIGN Eliminates dangerous vice-and-socket or hammering methods. FUNCTION Reduces the risk of damage to driveshaft, yokes, joints or bearing cups. 100% SATSFACTION GUARANTEE .