Features: With this alloy countersink drill bit, featuring an accurate countersinking design that prevents deviation for consistently perfect holes in woodworking projects. Crafted from alloy materials, this drill bit delivers superior cutting efficiency, exceptionally wear resistance, and extended durability for reliabled performances. Perfect for professional woodworkers and DIYer enthusiasts who require dependable tools for demanding tasks, ensuring ease of use and consistent results. Ideal for various scenarios such as furniture making, wood carving, on site construction, and emergencies repairs, providing versatility across different materials. Enhances your workshop efficiency with its ergonomic design for quick installation and multi materials capability, drilling effortlessly into wood, plastic, and soft metals. Specifications: Component: alloy Size:Approx.56x8x2.8mm/2.2x0.31x0.11inch Size:Approx.60.5x83mm/2.38x0.31x0.18inch Size:Approx.57x8x3.2mm/2.24x0.31x0.12inch Size:Approx.60.5x8x3.5mm/2.38x0.31x0.13inch Size:Approx.56x8x4mm/2.2x0.31x0.15inch Package Includes: 1pcs Countersink Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual color. Thanks for your understandings.