OEMTOOLS 25001  3/8 Inch Dr. Oxygen Sensor Socket Removes and Installs Oxygen Sensors on all Domestic and Imported Computerized Engine Controlled Vehicles with a 3/8 in. Drive Ratchet or 1 in. Wrench Cutaway Slot Provided in the Side for Sensor Wire Clearance Durable Alloy Steel Construction Chrome Plated for Rust Resistance and Professional Look Size: 7/8" deep socket