Carbon Steel material to withstand high heat and pressure and Zinc-Plated to anti-rust and anti- in even punishing environments. ID Hydraulic Hose Repair Kit: 2PCS 3/8Inch reusable hydraulic fittings. These reusable hydraulic Hose fittings are 2 parts designed which screw on to and In to a new hydraulic Hose. For use with double wire braided rated at 4000psi. These reusable hydraulic hose fittings are designed to repair leaking or to be used in new hydraulic hose assemblies, but Do not use on super high-pressure hose. Common uses are for Implement hoses, construction equipment, logging, tow trucks as an emergency repair until a replacement hose can be installed., Manufacturer: Akfldms