Size: Ring diameter Approximately 1 inch/25mm, total length about 2.1 inch/54mm; With these high quality metal parts, you can create your own key chains to give as gifts, sell or promote your company or organization.Durable material: Made of high quality metal, strong and durable, simple. Great workmanship with the ring, smooth surface and edge, will not scratch your hands and stuffs.Sutable for DIY: You do not need to buy additional parts.You can use your imagination to DIY your own keychain, make for phone, bag, purse, and other accesspries.Easy to use: Each key ring chain comes with a separate jump ring and a screw eye pin, you can attach pendant, tags and other small accessories easily. you don't have to put extra effort to open before connect something on it.Colour: SilverMaterial: metalPackage Contents:150 x key rings with chains150 x jump 150 x screwsOnly the above package content, other products are not included.Note: Light and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.