This is a genuine Bauer 210522364 tensioning nut, manufactured from durable steel with a galvanized finish for enhanced corrosion resistance. Featuring an M12 thread with a 1.75mm pitch and a 19mm wrench size, this nut is designed for secure fastening in various Bauer irrigation and slurry coupling systems. It measures 95mm in length, 51mm in width, 51mm in height, and weighs 0.12kg, ensuring reliable performance and a precise fit.