Ball Lock Disconnect (Black/Liquid) - duotight 8mm (5/16")This all new ball lock disconnect sets a new bar! The integrated duotight design means you can connect your beer and gas line directly, easily and reliably no need for additional fittings or clamps. It is a robust and super compact design that is incredibly easy to assemble and disassemble, making cleaning and sanitizing an absolute breeze! Made from highly chemical resistant materials with stainless springs and ball bearings no cheap ABS plastics