"Provides the flexibility to use an extractor bit or continue to drill the broken bolt all the way out","Slip fit bushing allows you to move from hole to hole without moving the base plate","Tap aligning block provides assistance to chase the threads with a tap","Separate depth gauge to set the drill bit length included","Included with kit: 1/8\" bits (4), 3/16\" bits (2) and 17/64\" bit (1) DRILL TEMPLATE FOR DODGE 5.7L ED57 | Matco Tools