Kegco Sankey to Ball Lock Keg Coupler Adapter - Gas This Kegco keg coupler adapter makes it easier than ever to dispense both store bought beer and your own home brew using the same dispense system The adapter fits on the gas side of all industry standard keg couplers and allows you to connect a gas in ball lock coupler to the post These posts replace the barb fittings on your Sanke coupler to match the posts on a typical Cornelius ball lock style keg Makes it possible to seamlessly switch between your ball lock corny keg and a commercial Sanke keg in seconds