Features and Benefits:�Angled lubrication hex fitting for use with industrial machines and equipment�Male 5/16-32 UNEF-2A threads for attachment to female-threaded receptacles�Zinc-plated steel for strength, durability, and resistance to corrosion�Check ball for protection from dirt�RoHS compliant for hazardous substance regulationsThe product is Special Thread Fitting, 65 Degrees, 5/16" UNEF-2A. The product is manufactured by Alemite LLC and made in United States.