Features: Application All tools can Work on Detroit Diesel DD15 DD16 (TDC Locating Pin / Engine Brake Adjustment Tools, Injector Cup Remover & Installer Tool and High Pressure Fuel Line Socket can be also used on DD13 Engines) Includes Camshaft Timing Tool Kit,TDC Locating Pin, Engine Barring Tool,19MM High Pressure Fuel Line Socket,Engine Brake Adjustment Tools 4.6mm/4.1mm, and Injector Cup Remover & Installer Tool Material Made of high standard Carbon Steel and Aluminum, with black print coated , great strength and no deformation, durability for years of trouble-free use. Replacement .