This socket's slotted design allows you to remove oxygen sensors with the wiring harness still attached. The 6-point beveled nose of this 22mm socket fits oxygen sensors on a wide of vehicles. Made from high-quality Chrome Molybdenum steel, the oxygen sensor socket allows users to exert maximum while the precision casting ensures accurate fit and function. WHY YOU NEED IT: Even if you 't have a lot of experience working with , you can replace your sensor with this tool to help with your car's emissions and air mileage. The sensors live in the harshest of environments and may require some to remove, this oxygen sensor socket can save your knuckles and time Product name: 3PCS Oxygen Sensor Socket Removal Tool Colour:silver+black Material:Chrome vanadium steel Package Contents: 3x Oxygen Sensor Socket Removal Tool Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the a little different from the real thing. The measurement allowed error is +/- 1-3cm.