This 64-piece DIN hydraulic fittings kit is designed for sealing hydraulic hoses, tubes, and pipe connections across a range of common dash sizes. It is made from galvanized #45 steel for strength, corrosion resistance, and dependable sealing performance in demanding environments. Precision threads help provide secure installation and removal while reducing the risk of leaks. The included storage case keeps components organized, labeled, and easy to transport for maintenance or repair work. Ideal applications include industrial, agricultural, and heavy equipment service.