The Weatherhead Air Brake Insert is the perfect solution for a leak-free connection for hydraulic hoses and tubes. This insert is resistant to corrosion and is designed for quick installation. It is compatible with a variety of hydraulic hoses and features a nylon tubing compression tube support insert. The air brake compression fitting is designed for use with SAE J844 and DIN 74324 nylon tubing. FleetPride is your First Click in Heavy Duty®.