200 Pcs 1/2" 12mm Spring Hooks Metal Purse Snap Clip Lanyard Package Zipper Pull Id Card Key Chain Nickel Outside Length:approx 1/2" 12mm, inside length: approx 10mm Quantity:200 Pcs Material: Metal Color: Nickle It can be used on Snap Clip, Spring Hooks, Purse, Lanyard, Package, Zipper Pull, ID Card, Key Chain, KeyRings, Rings and so on