Features: Engineered with built in cooling wax for 30% faster heat dissipation, this hexagonal shank brazed hole saw enables efficient dry drilling on tiles, glass, and marble without water, featuring diamonds coated abrasive segments for 20% sharper cutting edges and extended durability. The reinforced diamonds grit and universally 1/4" hexagonal shank design ensures seamless compatibility with 95% of power drills while maintaining compact portability in its shock resistant PVC case for job site mobility. Ideal for professional woodworkers, electricians, and DIYer enthusiasts requiring precisions drilling/cutting/grinding operations across ceramics, stone surfaces, and construction materials. Perfect for bathroom renovations, kitchen backsplash installations, or workshop projects where multi materials drilling and edges finishing demand a single versatile tool. Combining drilling, grinding, and polishing functions in brazed diamonds hole saw, this solution eliminates separate tool purchases while delivering 40% faster workflow efficiency for contractors and hobbyists alike. Specifications: Component: diamonds Diameter:6mm,8mm,10mm,12mm Package Includes: 1Piece Drill Bit note: Please allow 1mm errors due to manual measurement. Due to the differences between different monitors, the picture may not reflect the actual color of the item.