About 970 PCS Open Jump Rings 7 Colors Split Rings 4/5/6/7/8/10mm Close But Unsoldered Jump Rings with Plastic Box Can Be Used for Jewelry Making Accessory, Earrings, Necklaces, Bracelet DIY. When you accidentally knock over or drop these box jump ring, you don't have to worry about the round jump rings being mixed or lost, making your jewelry making more easier.