OTC 6784 Euro/GM Oil Wrench Socket Kit Popular oil filter wrenches for the GM BMW Audi and VW High quality 3/8" drive forged sockets designed to last a lifetime 27 mm socket for the Cadillac STS 32L V6 and the Mercedes-Benz 18L I4 32 mm socket for the 22L GM Ecotec and Saabs 36 mm for the BMW M52 M60 M62 M70 & M73 engines M-B OM604 605 and 606 engines VW/Audi VR6 engine