This product is a DIY rivet with a pull ring, mainly made of brass and iron materials, durable and practical, and can serve you for a long time. Excellent craftsmanship and reasonable design enable it to serve you help more efficiently. You can use them to connect two pieces of together so that you can better make handicrafts. This is a very convenient and practical fastener, which can be applied to your DIY work well. Features -Color:Multi -Material: Brass, Iron -Size: About 1.70X1.20X0.80cm/0.67X0.47X0.31inch -Mainly made of brass and iron materials, strong and durable, with excellent texture. -With good connection and fastening effect, it can be widely used in DIY hand-made. -A sufficient number of screw kits are included to meet your needs. -This is an choice for decorating luggage, mobile phone cases, crafts, etc. -With reasonable design and simple application, it can bring you two conveniences. Package list: 40 Sets x Rivet Studs