Grease Gun Coupler – 1/8″ FNPT, Hydraulic Ball Check, 3-Jaw, 6000 PSI

This hydraulic grease gun coupler is engineered with a ball check design and precision-machined 3-jaw jaws to ensure a tight, leak-free connection to grease fittings. Built with a heat-treated steel body, it withstands up to 6,000 PSI, making it suitable for standard lubrication tasks in automotive, industrial, agricultural, and construction environments. The 1/8″ FNPT thread connection allows easy attachment to most hand-operated grease guns, ensuring durability and reliability under heavy use.