●Set: Approximately 200 pairs (100 pairs each) (Gold/Silver pairs) ●Material: Brass ●Size: Approx. 0.3 inch (8 mm) (approx. 0.1 ●When using: The ends of the threads, wires, and threads can be used to work with. It comes with a ring so it can be used to connect with other parts. Attach your favorite hardware. It can be used for jewelry repair, handmade accessories, DIY projects, and much more ●Recommendations: Beauty Player comes with a variety of other accessories parts, so you can easily see it