Features: Experience multipurpose drilling and grinding with our 4 piece set of brazed dry drill bits, featuring sizes 6/8/10/12mm to meet diverse needs without the hassle of changing bits. Designed for efficiency, these bits require no water and include builts in cooling wax for great lubrication, ensuring faster and smooth drilling through tiles, red bricks, and more. Ideal for professional contractors, DIY enthusiasts, and homeowners tackling home repairs, this set offers a reliable solution for various projects. Perfectly suited for drilling and grinding tasks on materials like tiles, stone, and concrete, providing exceptional performances in both residential and commercial settings. With a extended 35mm steel grits and universal hex shank compatibility, these drill bits seamlessly integrate with a wide range of tools, enhancing your toolkit's versatility. Specifications: Component: Refined Steel Emery Color: As picture shown. Size:Approx. 65x6mm/2.56x0.24in and 65x8mm/2.56x0.32in and 68x10mm/2.68x0.39in and 68x12mm/2.68x0.47in Quantity: 1 set(4pcs) Package Includes: 4pcs Drill Bits note: Please allow 1-3cm error due to manual measurement. Please make surer you not mind before your bid. Due to the differences between different monitors, the picture may not reflect the actual color to the item. Thanks!