Nox Sensor High-temperature devices used to measure oxide content in exhaust systems. Nox Sensor also help optimize engine operation and ensure proper functioning of exhaust aftertreatment systems. 14 Piece Oxygens Sensors Socket Set Nut Sockets 3/8" 1/2" Drive Remover Tools Car Repair Spanners With Storage Box. Oxygens sensors sockets for quick installation and disassembly, car repairing tools, great for automotive repair and maintenance tasks. omotive Oxygens Sensors Sockets Set is designed to remove or install oxygens sensors safely and efficiently, reducing the risk of damage to the sensors., Manufacturer: SASAKLY