Introducing an expanded line of hydraulic quick disconnects from Midland with the addition of the Wing Nut and Flat Face ISO 16028 interchange. Midland Metal 61Series wing nut is a heavy-duty, thread to connect quick coupling capable of containing a variety of fluids. Available in brass and electro less nickel plated steel wing. This Series features minimum air inclusion during connection and minimum fluid spillage during disconnection. In addition, Midland Flat Face, FF series steel quick disconnect couplings are interchangeable half-for-half with other brands meeting International ISO 16028 dimensional requirements. The 1/2" ISO body size is the industry standard for the skid-steer loader industry, rated at 4,000 operating PSI.