[Size] - Total Length: 300mm / 11.8 inch; Wire Outer Diameter: 2mm / 0.08 inch; Connector Outer Diameter: 3.5mm / 0.13 inch [Simple to Use] - Add or remove items to the loops by unscrewing/screwing the connectors, you can connect several together for longer loops [Plating Surface] - Surface finish process to ensure the color and luster and the surface not easily rust and distortion [Function] - The ring keeps securely closed, providing strong fastening and no need to worry about your keys falling apart [Application] - Widely used on organizing your home keys, lanyards, zipper pulls, handbags, purses or other arts & crafts or gifts making