Product Type: A repair tool set that combines a ruby whetstone with a copper screwdriver sharpening tool, giving watchmakers single compact solution for fine tip maintenance and precision work.Function: Designed as a sharpening stone for restoring a screwdriver tip, it helps keep small tools accurate, stable, and ready for delicate repair tasks.Material: Made with ultra-hard ruby stone and a copper sharpening holder, this set is built for controlled polishing and consistent contact during repeated use.Fine Finish: The 3000 grit sharpening stone surface supports a smoother tip finish, making it easier to refine tool tips without aggressive material removal.Use Advantage: ideal for watch repair and telecommunication repair work, it helps improve tool performance so you can work more cleanly and confidently on detailed components.
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