TEKTON 47749 3/8-Inch Drive by 7/8-Inch (22 mm) Offset Oxygen Sensor Socket Removes and installs oxygen sensors on vehicles with computer-controlled engines Common 6 point, 7/8 in. (22mm) socket fits most oxygen sensors Offset drive with wire gate accesses sensor from the side, not the top, preventing damage to wires Use with any 3/8 inch drive ratchet or breaker bar High-performance chrome molybdenum steel construction