[Size Reference]: Flat round: 12mm(0.47inch) in diameter, 8mm(0.32inch) thick, pin: 4mm(0.16inch), 52pcs; cone: 19mm(0.75inch) long, 8mm(0.32inch) in diameter, 2pcs; shovel: 27x7x8.5mm(1.06x0.28x0.33inch), 2pcs.[Easy to use]:The installation and replacement of these DIY leather burning set is simple, you only need to attach them firmly to the soldering iron, ensuring that a stable connection is maintained during the creation process, and you can use them with confidence.[26 Letters]: This diy leather burning set includes individual engraved heads of all 26 letters, and you can spell names and create letter combinations at will to enrich your handmade creations.[Reliable and Durable]: This burning alphabet set is made of high-quality brass material, reliable and durable, long service life, do not worry about wear.[Usage Function]: These letter copper tools work seamlessly with the soldering iron to provide a stable and controlled heat source, turning the soldering iron into a versatile carving tool, that helps you easily depict accurate details.