Tap: M8 x 1.0 / M10 x 1.0 / M10 x 1.25 / M12 x 1.0 / M12 x 1.25 / M14 x 1.25. Insert Driver: M8 x 1.0 & M10 x 1.0, M10 x 1.25 & M12 x 1.25. Tap Guide Pin: Ø8x45, Ø10x45, Ø12x45. Includes four sizes of threaded adaptors suitable for common sizes of glow plug.
