Thank you for viewing. This is a [Gear Rotating Ring, Size 19]. It features a unique design with embedded gears and precision cogs, and it's a rare ring where the gear part spins when moved. The inner diameter is approximately 19cm, so we estimate it to be around size 19. It's a larger size, so we believe it can be worn by both men and women. Please try this ring that expresses a unique individuality with the mechanical charm of gears and the simple color of silver. Size: 19 (inner diameter approx. 19cm) Condition: There are no noticeable scratches or dirt, but please purchase with an understanding that this is a used item. Please note that actual measurements may have slight errors depending on the product. The color may vary slightly depending on your viewing environment. Thank you for your understanding. This is a used item stored at home, so please refrain from purchasing if you are concerned. We cannot accept any claims for size differences or damage after arrival. Ultimately, please judge from the photos. We will fold it small for packaging when shipping. Please understand that there may be folding creases from packaging due to the material. We want you to be satisfied before purchasing, so please ask any questions you may have before buying. We will answer to the best of our ability. [Notes] ① As this is a fashion accessory, there may occasionally be minor scratches. ② For the sake of preventing trouble, perfectionists who point out errors in millimeter units should refrain from purchasing. As this is an imported item, it may not perfectly fit Japanese sizes, so we will not accept returns for size mismatches.