The SK Hand Tool 2-pc Oxygen Sensor Socket Set has a side cutout that allows users to slip the socket onto the oxygen sensor for removal without damaging wiring. These sockets can be used on a variety of automobiles with computer-controlled engines. The chrome finish provides maximum corrosion resistance and durability. The sockets can also be used in conjunction with a torque wrench. Oxygen sensor sockets from SK Hand Tool come in a pouch for easy storage and have a lifetime warranty.