This 72-piece JIC hydraulic fittings kit is designed for sealing hydraulic hose, tube, and pipe connections across a range of dash sizes. It features precision threads and cone-shaped connections for secure, leak-resistant performance. Made from galvanized #45 steel, the fittings offer strong tensile strength and corrosion resistance for demanding environments. The included storage case keeps components organized by size for easier transport and faster selection. It is well suited for industrial, agricultural, manufacturing, and earthmoving equipment applications.