The product is male connector, Brass, 45 degree flare fitting, 3/8 inch flare tube x 3/8 inch male thread. It features all Brass construction, forged nuts for refrigeration applications, long nuts for vibration and U.L. Listed for Flammable liquids. All brass construction Forged nuts for refrigeration applications Long nuts for vibration U.L. listed for flammable liquids Metal-to-metal seal Color Brass Brand Name Parker Hannifin Unit Count 5.0 Count Manufacturer Parker Hannifin Corporation Model Number 48F-6-6-pk5 Material Type Brass Connector Type Flare Exterior Finish Brass Number of Pieces 5 Manufacturer Part Number 48F-6-6-pk5