GROZ Button Head Coupler Fixed Hook-On

The Groz Hook-On button head Couplers are designed for use on button-head grease fittings commonly found on heavy machinery, agricultural equipment, and contractor machinery. With a zinc die-cast body and a metal seal for enhanced wear resistance, these couplers are suitable for use on 5/8”(16mm) grease fittings with a pressure rating upto 3000 PSI. Recommended for use with hand-operated grease guns only.