3/8" DR, 12 PT socket for 14mm Spark Plug of BMW N54/N55 engine, made of 40CrMo.
Made of 40CrMo Steel, Professional Factory Quality
3/8" Drive, 12PT, 14mm Super Thin Walled Socket
Fits all 2006+ BMW N54/N55 Engines with factroy plugs
Strong Magnet inside will hold the spark plug tightly and increase accuracy extremely.