The Baitaihem 12 point, 14 millimeter Thin Wall Spark Plug Socket is designed to fit certain cars with 14-millimeter, 12 point spark plugs.This socket has been designed to be as narrow as possible in order to fit into the specialty plug cavities on some vehicles. This socket has also been designed with metal "leaf spring" retainers inside the socket to hold onto the spark plug. The leaf spring system is superior to using a magnet, because magnets can sometimes break off of the socket, and the leaf spring system provides a much stronger hold and more long term durability. This thin wall spark plug socket is crafted out of chrome vanadium steel. The Baitaihem Thin Wall Spark Plug Socket fits a 3/8 inch square drive. Fits 2007+ BMW 3.0L 2.0L turbocharged engines N55, N54, N20, N26, S55, N63, B46, B48, and B58.MINI vehicles R55, R56, R57, and R60 This socket works with 2007+ BMW 3.0 2.0 liter engines such as the N54, N55, N20, N26, S55, N63, B46, B48, and B58.Works with Bosch # 0242140507 / ZGR6STE2 - BMW # 12120037244,NGK OEM 3199. Along with certain BMW engines, this thin walled socket works with a variety of MINI vehicles such as the R55, R56, R57, and R60.Also fits with certain Nissan vehicles, along with some BMW motorcycles.Works with some Toyota vehicles.Such as 2009+ Corolla (2ZR-FE 1.8L) .