Short series - length: 66mm. To fit 14mm single hex exhaust gas temperature (EGT) sensors on various VW Group vehicles. 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 24mm spanner depending on access. Manufactured from chrome molybdenum with black phosphate finish. Additional sizes available, please see Part No. 8999 (17mm), 8998 (19mm), 8063 (22mm), 8590 (24mm).