This heavy duty capper is designed to seal beer bottles with crown caps of up to 26mm in diameter. Simply place the crown cap onto the magnet inside the crimping cup, place capper over the neck of the beer bottle and with both hands push down on the two handles simultaneously. When the handles are horizontal your crown cap (also known as a crown cork) is secure. Recycle those old beer bottles and give your own brew a professional touch with this quality product.This kit contains: 1 x 2 handled crown capper. If you are purchasing this capper you may also need crown caps.