Feature 1.100% new and high quality 2.Suitable for Engine Wrench Common 6 point, 7/8 in (22mm) socket, suitable for most oxygen sensors. Use with any 3/8 inch drive ratchet or breaker bar. Its very handy. The socket is slotted so that you can remove the oxygen sensor while still connected to the wiring harness, and the socket is offset and compact, providing additional leverage even in hard-to-reach spots. This quality tool can save your knuckles and time. This socket made from premium Chrome Molybdenum steel, the socket allows users to exert maximum torque while the precision casting ensures accurate fit and function. Even if you don't have a lot of experience working with cars, you can replace your O2 sensor with this tool to help with your car's emissions and gas mileage. The sensors live in the harshest of environments and may require some elbow grease to remove, but this quality tool can save your knuckles and save you time. 1.materialSTEEL 2.colorAs the pictures shown 3.sizeas the picture shows Package include:1pc Note: Please allow minor error due to manual measurement. The colors may be a little difference for the different monitor display.