1、Made of high-quality metal, open ring is without fading, durable and practical to use. 2、Opening ring is the perfect accessory for DIY keychain heat shrinkable film crystal glue. 3、These jump rings are perfect for any project you have, whether it's making key chains, chain mail, trying new weaves, making spectacular jewelry items or completely using them for other purposes。 4、Meanwhile, such jump rings keep long service life and it is not easy to damage so that you can use for a long time. 5、No extral step is required when you use such iron rings and the operation is simple.div Item Type: Open ringPattern: 1000 x Open RingDiameter: Approx. 7mm / 0.3in 1000 x Open Ring