Features and Benefits: Pneumatic Separating Fork; Heavy Duty Alloy Tool Steel; Black oxide finish for additional rust protection; .401 Parker Shank; Lifetime Warranty; Separate ball joints and tie rods quickly and easily with a ball joint separator. The tool handles ball joints with minimal shock to the assembly so as not to damage your vehicle. The separator features a .401 parker shank. The tool is used to wedge between linkages, knuckles, and joints quickly and easily.