33pcs Glow Plug Cylinder Head Metric 8mm 10mm 12mm Thread Repair Tool Kit Set

Rethreading kit for 8mm / 10mm and 12mm glow plugs. -Includes four sizes of threaded adaptors suitable for the common sizes of glow plugs. -Essential tool for alloy cylinder head. - KNURLED HEAD. Engine Timing Locking Tool For GM & SAAB V6 3.0L and 3.2L Petrol Cam-belt Work.