Features: 1. GREAT COMPATIBILITY: Fits GM 6.6L Duramax Diesel, 2001, 2002, 2003, 2004, 2005, 2006, 2007, 2008, 2009, 2010, 2011, 2012, 2013, 2014, 2015, 2016, 2017, 2018, 2019 to present. Similar to J-45910, replaces OTC-7222. 2. MATERIAL: Constructed from high quality steel with precision CNC machined, resisting rust and corrosion, ensures an unparalleled long lifespan. 3. FUNCTION: Built to provide exceptional levels of durability. It will meet your needs and deliver great quality at an affordable cost. A MUST HAVE TOOL FOR THE DIESEL MECHANIC. 4. MUST HAVE TOOL: Designed to removes injector tubes for service and re-installs, helps diesel mechanic get their job done right. .