Always be prepared with this pocket wire gauge. This helpful tool comes in a lovely leather pouch, so you can carry it with you wherever you go. The tool will tell you what gauge of wire you are working with, a helpful piece of information when creating wire wrapped designs or chain mail pieces. Slide your jump ring or wire into the notches to figure out what gauge you are working with. With this tool on your side, you'll always be ready to work with wire of any gauge!