Field Rebuild Tool Kit Large Joint Control Arm TeraFlexThe TeraFlex Large Joint Field Rebuild Tool Kit for adjustable Short Control Arms and LCG Long Control Arms will make joint rebuilding in the field as simple as it gets. In fact, these are the same tools we use in house to rebuild joints. The repair tool is easy to use with two open end wrenches or sockets. A bench vise is extremely helpful, but not Required when rebuilding control arm joints. All necessary hardwareControl Arm Applications: Large