Specifications: Material: Copper Color: Sliver Item Size: 2.2 * 2.2 * 0.8cm / 0.8 * 0.8 * 0.3in Item Weight: 2g / 0.07oz Package Size: 3.8 * 2.6 * 0.8cm / 1.5 * 1 * 0.3in Package Weight: 3g / 0.1oz Package List: 3 * Spring