This 72-piece ORFS hydraulic fittings kit is designed for sealing hydraulic hoses, tubes, and pipes across a range of common dash sizes. It features precision fine-tolerance threads and O-ring face seal connections to help create secure, leak-resistant hydraulic connections. Made from galvanized #45 steel, the fittings are built for durability, corrosion resistance, and reliable performance in demanding environments. The included storage case keeps the assorted caps and plugs organized for faster identification and transport. It is suitable for industrial, agricultural, manufacturing, and earthmoving equipment applications.