Rack & Pour Heavy Duty Rotary Units are available only for the six bottle configurations with a chrome finish. Rotary units free-stand on your bar back and require no special installation. Turn the rotary unit with little ease to bring to the forefront the bottle you would like to pour from. Accepts bottles up to 1.75 liter. Rack & Pour measuring heads ship with rubber corks installed on the stem and additional natural corks are included for use on bottles with larger openings.