For 2 ~ 20mm Twist Drill Re-sharpening , Angle 90°-140°

1. Precise Grinding Results , Precision Assurance within 0.02mm
2. Easy to Operate , grinding a drill within 10 seconds.
3. Special Design High Accuracy Alloy Steel Collets
4. Accurate Grinding consumption 0.2mm
5. High Efficiency DC motor
6. Stable Quality Diamond Dust Grinding Wheel
7. Considerable Design, Invisible Tool Box, Delicate & Friendly Use
8. Portable Design