Description 7pcs Internal Spark Plug Rethread Tool For cleaning and re-cutting spark plug or glow plug threads Simple handling due to eccentric function Special length for deep seated thread Quick and low-cost thread repair Centering shaft With conical mounting shaft for thread repair sleeves External hexagon drive With knurled knob Size: M8 x 1.0--115mm, M10 x 1.0--115mm, M12 x 1.25--140mm, M12 x 1.25--270mm, M14 x 1.25--140mm, M14 x 1.25--270mm, M18 x 1.5--90mm.
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