Feature: 1. This oxygen sensor socket is universal for 7/8in/22mm oxygen sensors, stable performance, strong reliability. 2. Open port design, enables you to remove the oxygen sensor with the wiring harness attached, 8‑point extension allows you to remove the oxygen sensor even if the position of the socket is compact and hard to reach. 3. Made from preferred chromium vanadium steel, harder than normal steel, allowing you to apply maximum twist distance, while precision casting ensures precise fit and complete functionality. 4. Even if you don't have much experience with a car, you can use this tool to disassemble your oxygen sensor to help you understand your car's emissions and fuel consumption. 5. Since the sensors are in the most hostile environments, some topical grease removal may be required, so this premium tool can save you time. Specification: Item Type: Offset Oxygen Sensor Socket Material: Chromium vanadium steel Type: Eight Point Fitment: Universal for 7/8in/22mm oxygen sensors. Package List: 1 x Socket