KegLand 304 Machined Stainless Steel Gas (Grey) Ball Lock Disconnect With Barbed Fitting are the top of the range in stainless steel Cornelius disconnects. For both the commercial sector using corny kegs and for high-end homebrew use. Now with collar lip for easier attaching and detaching. Suited for 19L Ball Lock kegs, or converted 50L Keg Couplers.