●Enables efficient cleaning of, for example: Injector shafts, injector holes in cylinder heads and injector seats suitable for a wide range of vehicles prevents leakage of combustion gases by poorly fitting injectors ●Included: 6x Injector shaft Closing plug for sealing the combustion chamber during cleaning 3x steel wire brushes 3x nylon brushes 2x silicone nylon brushes 1x Hand screwdriver bit holder hexagon, handle type 2-component handle 1x extension (steel) with quick release chuck for brushes 1x extension (Felxible) with quick release chuck for drilling machine 1x mounting and disassembly rod for inserting and removing the closure plugs 1x steel wire brush for cleaning nozzle holes in cylinder head