These are round rings made of brass. The surface has a Tama-Pla coating finish. Tama-Pla coating finish involves applying a clear coat to the surface, allowing you to enjoy the aging process slowly. The coating gradually peels off as you use it. Available in 9 sizes (31mm, 35mm, 39mm, 47mm, 49mm, 58mm, 65mm, 70mm, 78mm). This is the (58mm) size. *Brass may have unique blackening. *There may be scratches or dents due to casting. Made of brass Diameter: 58mm Inner diameter: 45mm *You can purchase without prior message. [Discounts] Discounts are not available for single item purchases, but for multiple purchases, the second item onwards will be discounted by 200 yen. Example) 2 items total will be discounted by 200 yen, 3 items by 400 yen. If you wish to purchase multiple items, please comment on each sales page. We will create a dedicated page and contact you later.