Features:Compare to vending machines， it is convenient， simple and economical.A ball lock design that works with wine kegs. Fitting comes with a 1/4" barb already attached to it so all you have to do is hook up your tubing and you are ready to go. This fitting will work with 3/16" tubing as well， but you need to soak the tubing in hot water for 20 seconds to soften it up first.Usage:Can be directly use in the wine kegs' exports. Because of the internal pressure of the beer kegs， beer kegs can directly open the faucet handle direct connection kit on wine， beer release. Specifications:- Color: white， black- Material: Stainless steel， plastic- Size: 30 x 55 mm / 1.18'' x 2.17''Package Included:2 x quick disconnect coupler for wine kegs