Lumax LX-1400-6 Silver 1/8" NPT Standard Grease Coupler, (Pack of 6)
The standard grease coupler is for use with most hand-operated grease guns and equipment, fits all 1/8 inches NPT threads, is rated for 4,500 PSI maximum operating pressure, has a built-in spring-loaded ball check valve that prevents leak, pressure loss and lubricant backup. It has four hardened steel jaws for a superior seal, longer life and precision fit. The slight pushing action snaps jaws onto fittings, small outside diameter permits easy contact with recessed fittings, knurled body and easy flats for easy installation and removal, and is zinc plated for maximum protection against corrosion.