Quality: Plastic Material for Ball Lock Quick Disconnect Body and Stainless 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 usually connect to Keg Charger, and the Ball Lock Liquid Disconnect usually Connect to Beer Faucet Adapter; The most widely use is connect Swivel Nuts and then Connect Beer Gas Linecolour: black + whiteMaterial: plastic + stainless steelPackage Contents:8 x Ball Lock DisconnectsOnly the above package content, other products are not included.Note: Light shooting 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.