1. Wide Applicability : This drill bit sharpener can handle drill bits of various specifications, benefiting both professional craftsmen and amateurs. It can also reuse old and scrap drill bits, maximizing their value. 2. Efficient Grinding Performance : It uses advanced technology to optimize grinding angles and forces, significantly improving the grinding effect. It reduces drill bit wear and extends their life, making your drill bits last longer. 3. Simple Operation Process : It requires no complicated setup steps and can be quickly put into use. Its operation method is simple and easy to understand, allowing even first time users to easily handle it and achieve precise grinding results. 4. Materials : Made of sturdy ABS materials and components, it ensures during use and provides a long term, stable, and satisfying grinding experience. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.