1.【Package Includes】: 360 sets of double cap rivets with 90*Gold (30 each for 3 sizes), 90*Silver (30 each for 3 sizes), 90*Brown (30 each for 3 sizes), 90*Black (30 each for 3 sizes); 1 * double head rubber mallet, 1 * anti-slip punch, 1 * rivet bars, 1 * rivet base, various options to choose from. 2.【Various Sizes】: leather rivets in 3 different sizes: 6 x 6 mm, 8 x 8 mm, 8 x 12 mm, available for different material thickness, fits tightly into the fabric, leather, suitable for clothing, belts, hats, fabric, DIY crafts, etc. 3.【Installation Tools】: The leather rivet set includes 4 setting tools for fastening and perforating leather. One of the rubber hammers is double-sided with a rubber handle for a comfortable grip and reduced vibration. 4.【Material】: The rivets are made of metal, the surface is smooth and shiny, durable. The packaging of the double head rivet kit is a transparent plastic box, and the rivets and fastening tools of different sizes and colors are packed in compartments, which are easy to access and not easy to be confused. 5.【Wide Application】: There are many kinds of metal rivets and rivet installation tools for different needs, suitable for DIY leather crafts, clothing, shoes, bags, decorations, etc. Gift for craft lovers.