Solid Brass Material: the keychain is made of solid brass, high quality, very sturdy and durable, last for years. Easy to Use: quick connect and disconnect, take keys on and off in a easier way than normal key rings. Sizes: U hook about 6cm(2.3") in length, shackles clasp 7mm(0.27") thick. Wide Applications: suitable for your keys, belt, bags, simple but beneficial and heaviy duty. Exquisite Packaging: comes with a clear plastic container box, easy to store and carry. Size Name:60mm | Colour Name:Golden-1pc Brass S Hook Clasps and Brass Shackles Clasps, Unplated, Unplated Specification: S Hook Clasps: 60.5x15.5x8.5mm, Hole: 5.5mm, 1pc; Shackles Clasps: 25x25x7mm, Hole: 2.5mm, 1set; Containers: 6.8x5.2x1.1cm, 1pc. Material: Brass Metal Color: Unplated Usage: Clasps Feature: Made of Brass: The hook clasps are made of brass, it is not wasy to fade and it is easy to use. It is composted of a S hook and a shackle clasps. It is great to make a keychain clasps,easy to openand close