1/4" Ag Hydraulic Quick Connect Tractor Coupler, ISO 7241-A Ball Valves Type Hydraulic Quick Coupler with 2 Sets Dust Caps, Pioneer Type Model: Body Size: 1/4″ Body,Thread Size: 1/4″ NPT Thread. Automatic Leakage Prevention: The Hydraulic Quick Coupler features a design that automatically closes the valve core upon disconnection, effectively preventing leaks and ensuring safe operation. Interchangeable Compatibility: Compliant with ISO 7241-A standards, this hydraulic quick coupler is designed for reliable interchanging with compatible products such as the PARKER 6000 series,FASTER ANV series,AEROQUIP 5600 series and HANSEN HA15000 series, offering versatility and flexibility in hydraulic systems. Secure Metal-to-Metal Seal: The valve provides a reliable metal-to-metal seal between the steel ball and the inner cone surface, enhancing sealing performance and minimizing fluid loss. Durable Construction: Critical parts are hardened for durability and is built to withstand demanding hydraulic applications.