specifics td 4Pack Keg Ball Lock Disconnect - Include Gas MFL Ball Lock Disconnect, Liquid MFL Ball Lock DurableInclude: Ball Lock Gas Disconnect MFL 1/4, Ball Lock Liquid Disconnect MFL 1/4Material: Food Grade Plastic Material for Ball Lock Quick Disconnect Body and Stainle Steel Material for Flare Thread PartEasy Connect: the Ball Lock Disconnect MFL is nice for Quick changing Lines or adding other equipment without cutting the Beer Line or Gas LineWidely Use: the Ball Lock Gas Disconnect is usually connect Keg Charger, and the Ball Lock Liquid Disconnect is usually Connect Beer Faucet Adapter; the most widely use is connect Swivel Nuts and then Connect Beer Gas LineMaterial: plasticcolour: black+whitePackage Contents:2 x white threaded head2 x black threaded headsOnly the above package content, other products are not included.Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.