Mueller-Kueps 609 033 Ball Joint Separator Kit Jaw capacity range from 30 - 65 mm 3 different fork sizes (24, 27, and 31 mm) makes a very adaptable separator Suitable for all vehicles, ideal for Audi & VW (A3, A4, and A6 with double wishbone), BMW, and Mercedes-Benz Comes with "Vibro-Impact" reaction screw The only ball joint separator designed to be used with an impact wrench