Thread reducer adapter: Converts M12x1.25 interface to M10x1.25 for accurate fit when joining mixed metric parts; maintains alignment and thread engagement across repairs, custom builds, and maintenance tasks. Compatibility universal: compatible with universal metric hardware in automotive, motorcycle, machinery, and shop equipment using M12x1.25 and M10x1.25 threads; enables size change without drilling or re tapping. 304 stainless steel: Made of 304 stainless steel with silver finish for corrosion resistance in humid or outdoor settings; suitable for engine bay, workshop, marine, and general mechanical applications. Easy installation: Fits components with M12x1.25 on one side and M10x1.25 on the other; straight metric threads allow quick assembly and reuse with hand tools for field service and bench work. Multipurpose use: Ideal for custom projects, maintenance, prototyping, and hobby builds; works in home garage, workshop, and industrial settings where adapting metric sizes streamlines parts selection., Manufacturer: ECSiNG