The black beauty bottle capper is basic but a dependable capper that has a magnet to hold the cap in place while you crimp the cap to the bottle. It works with any standard American bottle cap and capper. Crown oxygen caps have a barrier that contains an oxygen scavenging agent and helps to prevent oxidation. Fits 12 oz. and 22 oz. beer bottles and 750 ml and 187 ml champagne bottles. black beauty bottle capper with orange oxygen barrier crown caps-144, country of origin - United States, manufacturer name - Home Brew Ohio.