Regarding the product: "LH-1" Duo Ring / Surgical Stainless Steel 【LION HEART】 Size 16. I am selling this because I no longer use it. Retail price: 5500 yen Product condition: I purchased it new and used it for about 2 months. There are some minor scratches, but it is a used item, so please understand. Size: 16 18.20mm. Please check the image measured with calipers. Product number: 361L Shipping method: I will ship using both Rakuraku Mercari and Yu-Yu Mercari. Please understand that this is a used item, and there may be discrepancies between the image and the actual product, so please be aware of this beforehand.