This comprehensive tool kit is suitable for a wide range of diesel engine vehicles, whether commercial or for occasional use. The entire set is designed to clean and decarbonize the injector seat when changing injectors, which also prevents blow-back from poorly seated injectors. The five different reamers are available for almost all diesel cars. They can also be used for re-cutting injector seats when diesel engines are overhauled or when replacing injectors. They can also help keep the diesel injector seat clean when a new or reconditioned injector is fitted. All tools are made from high-quality materials, resulting in easy and clean work. The set consists of the following components: 1 x 15mm x 19mm flat reamer - for universal injectors/applications, 1 x 17mm x 17mm flat reamer - for Delphi / Bosch injectors (BMW / PSA / Renault / Ford), 1 x 17mm x 19mm flat reamer - for Bosch injectors (Mercedes-Benz CDI), 1 x 17mm x 17mm angled reamer - for Mercedes Benz CDI, 1 x 17mm x 21mm angled reamer - for Fiat / Iveco, 1 x T-handle for easy use, 1 x pilot post, 1 x 6-sided wrench. The entire set comes in a plastic carrying case for easy transport.