Farmers and equipment operators, these BDI hydraulic quick connect couplers are built tough for serious work! This 4-set package features 1/2\ NPT thread couplers with ball valve design that automatically open when coupled, keeping your hydraulic flow moving smoothly. Built to ISO 5675 standards, these couplers are made from hardened steel construction that provides superior corrosion resistance and durability. With a 5000 PSI rating, 12 GPM normal flow, and 20 GPM maximum flow capacity, these can handle even the most demanding applications. The pioneer ball style design ensures they'll interchange with all ISO 5675 series couplings including ball seat valves, push-pull couplings, and poppet seal types. Perfect for agriculture equipment, construction machinery, logging equipment, and any industrial application where reliable hydraulic connections are crucial. The quality construction means these will stand up to tough conditions without leaking or failing. Whether you're connecting tractor implements, construction equipment, or any hydraulic system, these couplers deliver reliable performance you can count on season after season. Keep your equipment running smoothly with these professional-grade hydraulic connections that meet industry standards for safety and performance.