What are these fittings made from? These fittings hoses are made using aircraft aluminum alloy one of the strongest, lightest aluminum available. What about the quality? These aluminum hose end are designed for long life in heavy duty application. With these tight, secure & leak free adapter fittings, you do not need to worry about flaring and splitting tubing to make connections. Each application has been test-fitted for accuracy; these hoses have been subjected to rigorous tests and inspections to ensure years of worry-free operation.
