Carbon Steel material to withstand high heat and pressure and Zinc-Plated to anti-rust and anti- in even punishing environments. 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. 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. Common uses are for Implement hoses, construction equipment, logging, tow trucks as an emergency repair until a replacement hose can be installed., Manufacturer: Akfldms