Material: Tungsten Carbide Size: 0.15*3.8 cm / 0.06"*1.48" Color: Silvery 1. Made of high-quality tungsten carbide, it offers high hardness and wear resistance, making it suitable for precision machining such as PCB engraving and cutting, with a long service life. 2. 1.5mm standard size design compatibility with a variety of engraving machines and CNC equipment, easy installation, and wide applicability. 3. Sharp cutting edge and precise cutting, effectively reducing burrs and material loss, improving work efficiency. 4. 10-piece set meets various engraving and cutting needs, offering high cost-effectiveness and suitable for batch production. 5. Widely applicable for processing non-metall-ic materials such as circuit boards, acrylic, and wood, it is an ideal tool for electronics manufacturing and DIY model making.