Set of 3 Brass Round Ring, 12mm Diameter, Key Holder Parts These are brass round rings (marukan) with a diameter of approximately 12mm. Sold as a set of 3. The material is solid brass, and the more you use it, the more it will develop a tasteful gold color, allowing you to enjoy the aging process. Use them to connect keys, carabiner key rings, wallet chains, and key holders, or for customization. Please use pliers to open them. Shipped in simple packaging. A box is not included. Due to the characteristics of brass, there may be scratches, blackening, and dullness, so please understand this before purchasing. We have photographed the actual product, but the color may vary depending on your monitor or screen brightness. Shipped via regular mail (mini letter). Please understand that tracking and compensation are not included. If you prefer anonymous shipping with a tracking number and compensation, you can change to Yu-Packet Post Mini for an additional 120 yen. Please comment if you wish to do so.