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. Includes four sizes of threaded adaptors suitable for common sizes of glow plug.
33PCS Glow Plug Thread Repair Tool Kit M12 for Cylinder Head Thread Chaser Set
33PCS Glow Plug Thread Repair Kit Cylinder Head Metric Thread Restorer Tool Set
33pcs Glow Plug Thread Repair Tool Kit Cylinder Heads M8 M10 M12 M14 Helicoil
33PCS Glow Plug Thread Repair Kit Cylinder Heads M8 M10 M12 M14 Removal Tool Set