Description Groz 4 Jaw Grease Coupler – Heavy Duty (Up to 6,000 PSI) The Groz 4 Jaw Grease Coupler delivers a strong, leak-free connection between grease guns and fittings. Engineered for durability and high-pressure use, it fits all grease guns, hoses, rigid spouts, and dispensing guns. Perfect for automotive, agricultural, and industrial lubrication, this heavy-duty coupler ensures reliable performance in demanding applications. M10 Thread 4 Jaw coupler up to 60,000 PSI Hardened steel body Spring loaded steel jaws Hex nut design M10 thread or 1/8″ BSPT Why Choose the Groz 4 Jaw Grease Coupler?The Groz professional-grade 4 jaw coupler is engineered to handle extreme pressures up to 6,000 PSI, making it the ideal choice for high-pressure grease guns and demanding lubrication systems. Hardened Steel, Spring-Loaded JawsDesigned with fully hardened, spring-loaded jaws, this coupler locks securely onto grease fittings for a strong, reliable hold and a leak-proof seal. From heavy machinery and vehicles to industrial equipment, the Groz 4 Jaw Coupler delivers precise, efficient, and mess-free greasing every time
