These barbed hydraulic hose fittings are resistant to heat, rust, and corrosion from water, acids, and minerals - great for a variety of fluid applications. They are more malleable than steel barbed hydraulic hose fittings, making them easier to install. Each fitting has threads on one end and raised ridges (or barbs) on the other end that grip the inside of hoses, holding them in place and forming a reliable seal. Specifications: