ARES 70039 | 3/8-inch Drive by 7/8-inch (22mm) Offset Oxygen Sensor Socket | Wire Gate Accesses Sensor from The Side, Preventing Damage to Wires DESIGN: This socket's slotted design allows you to remove oxygen sensors with the wiring harness still attached, and the socket is offset and compact which allows extra leverage even in hard to reach spots QUALITY: Made from premium Chrome Molybdenum steel, the socket allows users to exert maximum torque while the precision casting ensures accurate fit and function. This tool meets and exceeds ANSI/ASME standards. ARES offers a full line of Oxygen Sensor tools including our complete 70318 Oxygen Sensor Socket set that features thread chasers, oxygen sensor sockets and more! WHY YOU NEED IT: Even if you don't have a lot of experience working with cars, you can replace your O2 sensor with this tool to help with your car's emissions and gas mileage. The sensors live in the harshest of environments and may require some elbow grease to remove, but this quality tool can save your knuckles and save you time! RELIABLE | EFFECTIVE | EFFICIENT: Users trust ARES to be quality tools. You are backed by our Performance Assurance Limited Lifetime Warranty. If you have any issues with your ARES Offset Oxygen Sensor Socket, simply contact customer service for troubleshooting help, parts, replacement, or refund. ASPCA BUSINESS AMBASSADOR: We are proud to be part of the ASPCA Business Ambassador Program. If you have a pet, you realize they are more than a pet, they are part of the family. With your support, were proud to help this great organization. Includes: 1 pc. oxygen sensor offset puller 3/8-inch drive Size 7/8 inches Constructed of chrome molybdenum steel 6-point beveled nose design securely grips sensor fasteners, preventing damage to the sensor Wire gate allows you to easily slip the socket onto the sensor, preventing damage to the wires Meets and exceeds ANSI/ASME standards.