Sturdy Materials: These hand tools are made of high-strength carbon steel with sharp edges. They can be easily cut with clean-edged steel to make them strong and durable. These tools are rust-resistant, and the durable materials allow them to be used for a longer period of time. High Practicality: It can be used not only for jeans buttons, snaps, but also for repairing bags, leather goods, car hoods, boat covers, and other crafts, which can fully meet the needs of daily life. Easy to Use: Comes with a punch kit including a positioning base and a punch mounting tool to punch a hole in the stamped material with a small punch tool, then hammer it to press the two buttons together. Make installation easier and faster. Multi-purpose: These useful fastener tools are ideal for daily DIY, crafts, scrap metal, bags, shoes, sewing items, banners, clothing, jacket closures, replacement signs, etc. Widely used: This fixed tool can solve the problems of button sewing in daily life and is also very suitable as a hand tool for sewing enthusiasts. Specifications: Material: Carbon steel Color: Silver Size: 2.5mm punch length: about 8cm 3mm punch length: about 8cm Rectangular setter base: Application (7 circles measure 6mm, 7mm, 8mm, 9mm, 10mm, 12mm and 15mm) Setting base for round shapes: about 24mm Setting tool for 5mm/6mm/7mm/8mm/9mm/10mm tubular rivets/snaps/rivets Quantity: 11 pieces/set (in different sizes) Weight: approx. 315g Delivery content: 11 pieces/set of punch base