PandaHall Elite 1 Box Iron Split Rings Double Loop Jump Ring Diameter 4-10mm for Jewelry Making Silver Size: about 4~10mm in diameter, 1~1.3mm thick. 6 mixed sizes meet your jewelry making needs. Quantity: 4mm about 350 pieces; 5mm about 200 pieces; 6mm about 130 pieces; 7mm about 120 pieces; 8mm about 70 pieces; 10mm about 30 pieces. Totally about 900 pieces. Usage: Split jump rings are used as a connector where a single ring is desired. The jump rings tool opener included, perfect for opening and closing jump rings. Easy to Use: These split 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! Wide Application: Great for DIY your special & unique jewelry, excellent size for suspending small items from delicate necklaces, bracelets, anklets. Split jump rings are used as a connector where a single ring is desired. Widely used on jewelry making, arts, crafts, DIY and so on. These double loop 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! The jump rings tool opener included, perfect for opening and closing jump rings. Learn simple and exciting techniques to make jewelry just like you see in department stores, affordable way for DIY to get great style. Plastic Box Set is included, great plastic container with seperators, also help you easy to store the jewelry findings. Split 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! The jump rings tool opener included, perfect for opening and closing split jump rings.