Features and Benefits:�45-degree elbow fitting for a mechanical system to receive lubrication from a grease gun�Zinc-plated steel for strength and resistance to corrosion�M6 threads for connecting with metric lubrication system�Ball check valve for excluding contaminants�Maximum operating pressure of 10,000 psiThe product is Metric Fitting, 45 Degree Angle. The product is manufactured by Alemite LLC and made in United States.