Attaches a beer line tail piece to a faucet shank or sankey coupler. The same purpose as a standard beer shank Hex Nut, but this one can be conveniently tightened or removed by hand making your kegerator build a breeze. Make sure you have a few inches of clearance on either side of you beer shanks for ease of install.Required, but not included:Neoprene washer to seal the connection.See our complete line of beer shanks and accessorieshere.