Alltrade 648617 Kit #46 Master Ball Joint / U-Joint Service Tool Set - 23 Piece Removes and installs pressed-in type ball joints found on most vehicles Changes ball joint without removing control arm from the vehicle Tools can also be used to remove and install U Joints Remove and install pressed-in Ball Joints found on most vehicles Remove and install special threaded upper Ball Joints found on many Chrysler vehicles Allows changing the ball joint without removing the Control Arm from the vehicle Tools can also be used to remove and install U Joints Kit includes step-by-step usage instructions