PandaHall Elite About 4000 Pcs Iron Open Jump Rings Unsoldered Diameter 5mm Wire 21-Gauge 6 Colors for Jewelry Findings The dimensions of the rings are about 1/5 inch(5mm) Outside Diameter. Quantity: bout 4000pcs in total. The wire is about 21AWG/22SWG or 0.04inch(0.7mm) in Diameter. 6 colors meet your various jewelry making needs, giving you multiple choices, economical price and worth purchasing. These jump rings are perfect for any project you have, whether to make chainmail armor, try out new weaves, make spectacular jewelry items or something else entirely! Great for DIY your special & unique jewelry, excellent size for suspending small items from delicate necklaces, bracelets, anklets.