Making jump rings is now easy with the pack of Beadalon® Round Multi Jump Ring Mandrel. The pack includes a large and a small mandrel, which you can make round jump rings in various sizes. You can use the mandrels to create jump rings even while on the go.Details:Large mandrel can make jump rings in sizes - 6.0 mm, 7.3 mm, 8.2 mm, 9.0 mm, and 10.0 mmSmall mandrel can make jump rings in sizes - 1.5 mm, 2.0 mm, 3.0 mm, 4.0 mm, and 5.0 mmIncludes 2 pieces