Wholesale DIY metal one-loop open jump connection rings Assorted 7 sizes, enough for your different choices,Antique alloy open jump rings for findings DIY crafts Practical accessories for connecting clasps, charms, links and other ornaments Suitable for organizing your house keyrings, car keys, jewelry makings, crafts DIY project and so on Box Size ; Total Length :15cm,Width :3cm;Height :2cm Size Chart: Diameter: 3mm, thickness 0.5mm,Amount: 400 pieces Diameter: 4mm, thickness 0.7mm,Amount: 400 pieces Diameter: 5mm, thickness 0.7mm,Amount: 200 pieces Diameter: 6mm, thickness 0.7mm,Amount: 200 pieces Diameter: 7mm, thickness 0.7mm,Amount: 100 pieces Diameter: 8mm, thickness 0.8mm ,Amount: 100 pieces Diameter: 8mm,thickness 1mm, Amount: 100 pieces Package Includes: 1500 Pieces Open Jump Rings Note: 1. Color might be slightly different due to the color calibration of each individual monitor. 2. Please allow 1-3cm measuring deviation due to manual measurement. 3. Thanks for your understanding and enjoy your shopping moment!