Durable ABS construction provides resistance to damage and deformation, delivering longlasting durability and wear resistance. Easy to use with effortless operation and a clear clamping process that avoids complicated setup, saving time and energy. Precision grinding technology minimizes offset errors, delivering accurate sharpening, consistent grinding, and uniform polishing for better control and reliable drillbit performance. Wide compatibility with a wide range of drill bit sizes; suitable for woodworking, metalworking, construction, and automotive work. Use scenarios: In a home workshop, restore dull twist drill bits to remove fast, clean cutting edges for carpentry tasks. On metal fabrication projects, quickly switch between bit sizes to maintain sharpness and improve cutting efficiency. At a construction site or automotive task, sharpen assorted drill bits to support varied tasks without changing tools frequently.