Universal 17 Pieces Injection Puller Tool Diesel Injector Remover Garage Tool Application: Suitable for all modern commonly used engines Function: 1.This injector seat cutter set is used to clean and decarbonise injector seats when changing injectors 2.This injector seat cutter set allows the user to reface the seats, in order to fit the new or reconditioned injector correctly.easy to operate, high efficiency, bring much convenience for you. 3.This injector seat cutter set helps to avoid blow-back due to poorly seated injectors 4.Wide application,This injector seat cutter set comes with a package of 17 pcs tools to meet different needs 5.This injector seat cutter set is placed in a blow molded storage box for easy transportation and storage 6.This injector seat cutter set is suitable for a wide range of vehicles, like 17mm flat cutter with 19mm external diameter for Mercedes-Benz CRD Specifications: Material：High speed steel and Medium carbon Weight：2.18kg Package size：32*22.5*6cm