Application: Professional re-threading, cleaning, or repairing of the threaded connections for exhaust temperature sensors and probes. Time savings: In most cases, replacement of the exhaust system is no longer necessary. Thread size: M20 x 1.5. Suitable for NOX sensors on: DAF, Mercedes-Benz commercial vehicles, Iveco, MAN, Scania, Renault commercial vehicles, Volvo commercial vehicles. Also compatible with passenger car models where a NOX sensor or particulate filter sensor with the thread M20 x 1.5 is installed, e.g., BMW, Audi, VW, Opel, Mercedes-Benz. Includes guide pin and cleaning grooves. The guide pin prevents misalignment of the thread cutter and allows for precise re-threading or cleaning of sooty and damaged threads. No tilting or misalignment during re-threading. Compact design for use in tight spaces. 6 cutting edges for optimal fit and easy, quick handling. High-quality TiAIN coating for longer service life. Suitable for use on stainless steel components. Made in Germany. Drive: External hexagon 13 mm. Dimensions / Length: 50 mm. Why TiAlN (Titanium-Aluminum-Nitride) coating? Suitable for dry machining. Ceramic surface minimizes friction. Optimal service life. Temperature resistant up to 800 °C. No coolant required.