Short series - length: 70mm. To fit 24mm single hex Lambda (Oxygen) sensors. The combination of open wrench and 1/2” ratchet drive allows for the application of increased torque. Can be driven by 1/2"D ratchet or 30mm spanner depending on access. A 22mm O2 sensor socket socket also available, please see Part No. 8063. Manufactured from chrome molybdenum with black phosphate finish.