PandaHall Elite About 900 Pcs Iron Split Rings Double Loop Jump Ring Diameter 4-10mm for Jewelry Making Antique Bronze Size: about 4~10mm in diameter, 1~1.3mm thick. 6 mixed sizes meet your jewelry making needs. Quantity: 4mm about 350 pcs; 5mm about 200 pcs; 6mm about 130 pcs; 7mm about 120 pcs; 8mm about 70 pcs; 10mm about 30 pcs; totally abouy 900pcs/box. Usage: split jump rings are used as a connector in jewelry making. The jump rings tool opener included, perfect for opening and closing split 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.