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Feature
3/8-inch drive, 12 point, 14mm with thin wall. Support 3/8" drive ratchet wrench.Compatible with many BMW engines such as the N43, N52, N54, N55, 335, 535, R55, R56, R57, and R60 etc.
Spring retainer system to hold the spark plugs firmly.
Crafted from durable chrome vanadium steel.