200 Pcs 12mm KeyChain Ring Keyring Connector Round Edged Split Buckle Nickle Outside Diameter: APPROX 0.47" or 12mm Quantity:200 Pcs Material: Metal Color: Nickle It can be used on Swivel Clip, ID Card , Tag, Keys, Chain, Arts, Crafts, Lanyards, Zipper, Bags, locks and so on