This professional glow plug tool set is used for removal of glow plugs and repairing threads in cylinder head. It is a must have in the workshop which will help simplify the assembly, disassembly and professional repair of glow plug threads. This set is suitable for most glow plugs like Audi, Seat, VW, Mercedes, Opel, Peugeot, Renault, etc. It is crafted by hardened and tempered carbon steel, ensuring its maximum durability for years of use. All tools are well stored in a sturdy case for easy transport.