Set of 3 Brass Flat Double Rings, 20mm Diameter, Key Holder These are brass flat double rings. Sold as a set of 3. Made of solid brass, the more you use them, the more they will develop a tasteful gold color and a unique patina, so please enjoy the aging process. Use them to connect keys, carabiner key rings, wallet chains, and key holders, or for customization. Shipped in simple packaging. Box not included. Due to the nature of brass, there may be scratches, blackening, and dullness. Please understand that these are vintage items. The photos are of the actual items, but the color may vary depending on your monitor and screen brightness. Shipped via regular mail (Mini Letter). Tracking and compensation are not included, so please understand this beforehand. If you prefer anonymous shipping with a tracking number and compensation, you can upgrade to Rakuraku Mercari Delivery (Nekopos) for an additional 120 yen. Please comment if you would like to do so.