Durable brown corundum material Made of high quality brown corundum, this whetstone delivers hardness and wear resistance for lasting performance in polishing, grinding and deburring. Hexagonal handle for secure grip Hexagonal shape provides a stable, slip-resistant fit in drill bits or rotary tools, reducing slippage and improving control at high speed. Tapered grinding wheel design Conical grinding head enables precise work in tight spaces and on detailed surfaces, making it suitable for intricate polishing and carving tasks. Versatile grinding bit Suitable for a variety of materials including metals, ceramics, plastics and stone; ideal for surface polishing, deburring and edge finishing. Use scenarios - Finishing and deburring machined metal parts such as automotive or machinery components. - Detailing ceramic or stone components, including beads, tiles, or sculpture work. - Smoothing plastic edges and finishing small plastic components to remove burrs.