KNOX AUTHEN Mini Size M6 [Limited Edition 20mm Ring] Black x Gold Ring This is a winning item, but the 20mm ring felt a little too big for me, so I'm putting it up for sale. ⚪︎ Never used. ⚪︎ Will be shipped with water damage protection. ⚪︎ Please refrain from purchasing if you are concerned about initial scratches, etc. ⚪︎ Returns and refunds are not possible to prevent product switching.