Dual Ended Wrench Socket Back Nut Tap

Corrosion resistant steel.
Simple to use, accessing it to reach plugs without problem
Dual-ended: 8/9mm, 10/11mm, 12/13mm, 14/15mm, 16/17mm,
Special tools for manual disassembly of the spark plug.
Used according to the spark plug and spark plug assembly position hexagonal size, choose different heights and radial dimension of the spark plug socket.

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