Description:1/2″ Drive Oxygen Sensor Socket 22mm 7/8″ 20mm Slot Lambda Lamda Tool.Suitable for heated and unheated oxygen sensors. Cut-out section allows socket to pass over wiring.6-point beveled nose design securely grips sensor fasteners, preventing damage to the sensorThe wire gate allows you to easily slip the socket onto the sensor, preventing damage to the wiresThe size of the open side is 8 mm, the length: 80mmCan be used with 1/2″ inches drive ratchet or 7/8 inches end wrench on external hexChrome vanadium steel for strength High-contrast, permanent, laser etched size marking is easy-to-read.Common 6 point, 7/8 inches. (22mm) socket fits most oxygen sensors Features:Drive Size: 1/2″ inches.Socket Points: 6 with side cutoutMaterial: Chrome vanadiumItem Dimensions LxWxH 3.15 x 1.57 x 1.57 inches Package includes1 X Oxygen Sensor Socket