Russell Full Flow Hose Ends are made from lightweight aluminum and are completely reusable. They feature a unique taper design ensuring easy assembly and also offer 37-? angled sealing surface which guarantees a positive anti-leak seal. These Full Flow Hose Ends accepts a wide variety of lightweight aluminum AN style adapter and carburetor fittings. Lastly, these Russell Fittings are interchangeable with many other manufacturers' hose ends.