Product Size: The O2 sensor socket has a standard 6-point shape. The socket size is 22mm/(7/8"), which can fit most oxygen sensors. The square hole size is 10mm/(3/8"), suitable for 3/8" drive ratchet or breaker bar.
7/8'' 22mm O2 Oxygen Sensor Socket Removal Tool Side Wire Cutout 1/2" Drive
7/8'' 22mm O2 Oxygen Sensor Socket Removal Tool Side Wire Cutout 1/2" Drive US
7/8'' 22mm O2 Oxygen Sensor Socket Wrench 1/2" Driver Offset Remover Socket Tool