O2 Sensor Socket,Oxygen Sensor Socket Set,Car Accessories Oxygen Sensor About this item [Package Includes] 1 piece of 3/8 "Dr. ultra deep drawing knife socket (3-1/8" long), 1 piece of 3/8 "Dr. thin crowbar socket wrench (1-1/4" long), 1 piece of 1/2 "Dr. offset crowbar socket wrench (1-15/16" long), and 1 piece of M18 x 1.5mm and 1 piece of M12 x 1.25mm threaded groove with 3/8 "driver for cleaning and repairing damaged threads. [High Quality Materials] These sockets and wrenches are forged from high-quality steel, with high strength and better performance. By phosphating and electroplating, the outer layer is protected from oxidation and corrosion, extending its service life and durability. [Design] Special side cut design allows for dismantling of the oxygen sensor while the wiring harness is still connected. The socket is offset and compact, allowing for additional leverage even in difficult to reach areas. [Purpose] The automotive oxygen sensor sleeve is designed specifically for use with ratchets and circuit breaker rods, used for removing and installing oxygen sensors and hexagonal vacuum switches on vehicles. [Easy to Operate] The disassembly tool for the automotive oxygen sensor socket wrench and the thread clamp kit are easy to operate. Even if you don't have much automotive work experience, you can use this tool to replace your O2 sensor to help with your car emissions and gasoline mileage. Sensors live in the harshest environments and may need to remove some elbow grease. This high-quality tool can save your knuckles and time!