Feature: 1. Rivet Fixing Machine: Can be used to reduce the imprint on the leather, the size of the rivet determines the size of the rivet fixing machine. 2. High Performance: The brass rivets and burrs have good corrosion resistance and are resistant to breakage; the matching washers allow for a tighter fit. 3. Easy To Install: This set of brass rivets and burrs is easy to install without any complicated tools, saving you time and effort. 4. Versatile: Can be fixed on different kinds of leather products to meet your different installation needs, suitable for belts, leather bags, canvas bag making. 5. Hand Made DIY: Suitable for artistic hand made crafts, you can give full play to your creativity and DIY different products. Specification: Item Type: Copper Rivets Burrs Kit Material: Plastic, Copper, Stainless Steel Use: Belt, Leather Bag, Canvas Bag Production. Package List: 20 x Sets of 10x3.3x19mm Copper Rivets (Including Nuts And Spacers)20 x Sets of 10x3.3x14mm Copper Rivets (Including Nuts And Spacers)1 x 3.5mm Hole Punch1 x One Piece Installation Tool Note: Copper is susceptible to oxidation and the colour may vary depending on the time of storage. Red copper is slightly softer than brass.