✴️【Application】This tool is used on both the older 15mm turbocharger bolts on Cummins ISB 5.9L and 6.7L Turbo Diesel Engines and the newer 12mm Turbocharger bolts on Cummins ISB 5.9L and 6.7L Turbo Diesel Engines. ✴️【Material】New upgrade! New upgrade! Special hardening process, higher hardness and better quality than the previous generation. Made of premium stainless steel, longer service life and better performance. ✴️【Features】This is a 15mm 12-point wrench with a 1/2" drive, specifically for accessing the turbo bolts for Dodge Ram 6.7L Cummins Diesel (2007-2014). ✴️【Includes】2 turbocharger bolt wrench tools (one pair). Replacement for #9866B 9866A. ✴️【Friendly Service】 A full return is available within 30 days if you are not satisfied; we also offer a 12-month warranty from the date of purchase to make sure that you have good experience This special wrench is used to remove and install the Turbo Charger bolt for Cummins Turbo Diesel Engines 6.7L.