General description 7 Piece Oxygen Sensor Socket Set designed for easy removal and installation of various components such as diesel injection nozzles, NOx probes, and thermal switches in hard-to-reach places. This tool set is ideal for professional assembly and disassembly tasks. Technical specifications Drive: 3/8" + 1/2" Material: Chrome vanadium steel Sizes: 4 x 22 mm (short, long, angle short, angle long) 2 x 27 mm 1 x 29 mm 1 x 7/8" (22 mm) x 90 mm 1 x 27 x 78 mm 1 x 1 1/16" (27 mm) x 74 mm 1 x 7/8" (22 mm) x 50 mm (Angle: 24 mm) 1 x 7/8" (22 mm) x 30 mm (Angle: 46 mm) Compatibility and accessories Compatible with various vehicle brands including BMW, Ford, Mercedes, Opel, Rover, Seat, and Volvo. Specifically designed for Opel Corsa B, Astra F+G, Vectra A+B for thermal switch installation. Installation Facilitates the installation of diesel injection nozzles and thermal switches. Usage Ideal for loosening fixed NOx probes. Useful for removing thermal switches from cooling