- Durable Construction: Made from high-quality nylon, zinc, and aluminum alloy, this adjustable punch saw is designed for longevity. Its sturdy, wear-resistant materials ensure it can withstand extensive use without complicated instructions. Adjusting the tool is simple, requiring just three steps: loosen, adjust, and fix. - Versatile Applications: With a cutting depth of up to 30mm, this punch saw is perfect for furniture repairs, carpentry projects, and a variety of woodworking tasks. Whether you’re opening woodwork, installing spotlights, or crafting DIY speakers, this tool is an essential addition to your toolkit. Please note: it is not suitable for cutting glass or metal. - Adjustable Diameter: This circular saw features multiple adjustable diameters ranging from 45mm to 130mm. This versatility allows you to drill holes of various sizes with a single tool, saving you both money and workspace. - High Efficiency: Equipped with a positioning drill, this punch saw is designed for precision, creating standard round holes quickly and effectively. The three-blade design ensures smooth cuts without burrs, making your projects look professional. Ideal for both hobbyists and professionals, this adjustable punch saw offers the perfect blend of durability, versatility, and efficiency for your drilling needs.