Jump rings for jewelry making 10mm silver plated Open Jump Rings for DIY Charm Craft Making Supplies.Outer diameter:10mm Color:silver.Material:metal.250pcs a set.Small jump open rings mian function is to extend the length of the chain of crafts.Handicraft maker will have more length options with jump rings accessories for their project.Here are some questions you might be interested in:Q:You said the jump rings 10mm,but can you tell me how small this thing is?-Visually,its about the size of your ring fingernail.-Jump rings size:10mm for small jewelry crafts.QThis jump rings is small,is it convenient to open and lock?will it break during use?-You need have jump rings opener and pliers.The method of use is simple and suitable for many small crafts that need have a chain.Metal products are not easy to break.Q.Will it fade and rust?Any precautions?-No.-We recommend storing in a dry place and keep out of the reach of children.Q.Is there anything special that needs attention during use jump rings?-Please pay attention to the safety of use,please dont let children use to prevent danger.A small jump rings with reliable quality and good materials.A jewelry accessories help handicraft maker complete their beautiful creations.Thank you for your purchaseHAVE A NICE DAY