Sold in a pack of 10 loaded on a snap link swivel for ease of use.
Tippet rings are a great way of attaching two different size tippets together, for instance a length of tippet to the end of a tapered leaders. Using a mini ring will extend the life of a tapered leader as you may be replacing the tippet section regularly. These are also great for creating intersections in your leader for droppers.