Gas Line Pigtail Assembly with Ball Lock Disconnect - threaded 5/16" Barb Swivel connection. One gas (Keg in) disconnect with a threaded connection for Ball Lock Keg. Four feet of 5/16" (I.D.) gas (CO2/Nitrogen) NSF rated tubing. Two hose Clamps, two barb swivel adapters (makes for easy screw on connections at both ends).