The Surgical Stainless Steel Open Jump Rings Set by Divoti features a convenient assortment of 4, 5, 6, 7, 8, 9, and 10-mm jump rings in a sturdy finding box. These jump rings are perfect for creating and repairing jewelry, attaching charms, pendants, and other findings. Made from high-quality surgical stainless steel, these jump rings are durable, tarnish-resistant, and hypoallergenic. The set is ideal for jewelry making enthusiasts, crafters, and professionals. The Divoti Open Jump Rings Set is a must-have addition to any jewelry making kit, offering a variety of sizes for different projects.