M8 x 1.0 - M10 x 1.0 - M10 x 1.25. Safely remove the end part of the glow plug electrode without damaging the cylinder head. Suitable for glow plugs threads: M8x1.0, M10x1.0, M10x1.25. 16pc Spark Plug Thread Repair Rethreading Tool Kit M16 Threaded Coil Insert.
