Our glow plug thread repair tool set is the ideal choice for solving the increasingly common problem with alloy cylinder heads on diesel engines. The comprehensively equipped kit is suitable for repairing threads for 8 mm, 10 mm (1,0 and 1,25 pitch) and 12 mm glow plugs. This set includs tools for the precise insertion of threaded inserts into the head and features a unique tap guide system to ensure their correct alignment. Additionally, it consists of four sizes of threaded adaptors suitable for the common sizes of glow plugs. This set comes in a convenient blow-moulded case.