Product Size The O2 sensor socket has a standard 6point shape. The socket size is 22mm78, which can fit most oxygen sensors. The square hole size is 10mm38, suitable for 38 drive ratchet or breaker bar Premium Material This oxygen sensor socket is made of high quality ChromeVanadium steel, meets and exceeds ANSIASME standards. It has surface phosphating to improve oxidation and corrosion resistance, and heat treatment to improve material performance and make it more durable Side Wire Gate The O2 sensor removal tool is designed with a side wire gate. It is wide enough to pass through the wire without damaging it. This kind of design allows you to remove the oxygen sensor while still connecting the wire harness, which is both convenient and safe Antislip Slotts The square hole of this socket has a unique slotted design. The four small slots have a good antislip effect, which can help to hold the ratchet firmly, making you more secure when using the oxygen sensor tool Wide Application This O2 sensor remover is suitable for most cars, you can use it to disassemble, replace and clean the car oxygen sensor to help reduce your cars emissions and fuel consumption ATTENTION Due to the different positions of oxygen sensors in different cars, for some oxygen sensors our product may not be convenient to operate, please confirm the suitability before purchasing