For 34.1mm-52mm Twist Drill Re-sharpening , Angle 118°-140°
Precise Grinding Results , Precision Assurance within 0.1mm
Easy to Operate
Special Design High Accuracy Alloy Steel Collets
Accurate Grinding consumption 0.2mm
High Efficiency AC motor
Stable Quality Grinding Wheel
Considerable Design, Invisible Tool Box, Delicate & Friendly Use