Durable ABS construction provides resistance to damage and deformation for longterm use, delivering durable, wearresistant performance. Easy to use: simplified sliding action and seamless clamping enable smooth operation without requiring advanced skills or heavy effort. Accurate sharpening system minimizes offset errors and delivers uniform polishing, ensuring precise grinding and consistent drillbit accuracy. Wide compatibility: accommodates a range of drillbit sizes to fit woodworking, metalworking, construction, and automotive applications. Use scenarios: Woodworking : resharpen twist drills used in cabinetry and furniture making to maintain clean, accurate holes. Construction or metalworking on site: quickly touch up drill bits for drilling metal or wood, reducing downtime. Automotive repairs and maintenance: keep drill bits sharp for fast, reliable modifications and repairs.