Although unused, it has been opened for inspection. Measurements: Outer diameter: 8 mm Wire diameter: 1.2 mm Contains 48 pieces Color: Light Green Surface finish: Painted Sturdy Open Rings: These beading jump rings are made of carbon steel, which is hard and durable, not easily deformed, and can be used as connectors to attach to various items. Connecting and Replacing: Suitable for connecting all kinds of small items and pendants, and can also be used as replacement parts. Wide Range of Applications: These open jump rings are often used in many places in daily life, perfect for DIYing your own handicrafts or repairing accessories such as chokers, bracelets, pendants, and keychains. Actual Usage: The jump rings are open, not soldered, and are easy to open and close, and can be reopened with pliers. Open Jump Rings 8 mm Colorful O-Ring Connectors for DIY Crafts Carbon Steel Light Green 48 Pieces Handmade Accessories Keychain 7-45 Jump Rings Color: Green, Emerald Green