Applications include: Ducati, KTM & Triumph O2 sensors. BMW, Dacia, Fiat, Infiniti, Mercedes-Benz, Nissan, Renault & Vauxhall/Opel EGT sensors. For use on any M12 x 1.25 thread. Total length: 55mm. Manufactured from TiN (Titanium Nitride) coated chrome molybdenum. Use with axle grease for clean threads and to catch any removed metal in the flutes. Other sizes also available, please see Part Nos. 9004 (M14 x 1.5), 9005 (M16 x 1.5), 9006 (M18 x 1.5), 9007 (M20 x 1.5), 9008 (M22 x 1.5).