Features: 1.Main Function: This tool sets are used to remove, inspect, replace and install oxygen sensors and vacuum switches on vehicles and engines. 2.Easy Operation: Special side cutout design allows easy access to oxygen sensor from section and prevents from damage to wire. 3.Solid Material: Made of high strength carbon steel material, has high hardness, not easy to deformation, to provide strong operational support. 4.Practical in Use: Provide leverage and adjustable angles when removing or installing oxygen sensors, which allows for easy maneuverability. 5.Complete Kit: The set includes a socket wrench, a socket for removing oxygen sensors, and a thread chaser for repairing damaged threads. Specification: Item Type: Oxygen Sensor Socket Material: Carbon Steel Package Includes: 1-pc 3/8in extra deep broach socket (3-1/8in long) 1-pc 3/8in low profile crowfoot socket wrench (1-1/4in long) 1-pc 1/2in offset crowfoot socket wrench (1-15/16in long) 1-pc M18 x 1.5mm and 1-pc M12 x 1.25mm thread chasers with 3/8in drive to clean and repair damaged threads