Vevor MR-20G Drill Bits Sharpener 3-20mm Grinder with 18 Collets CBN & SDC Grind Wheels New Manufacturer Refurbished Heaters in the grinding chamber the

in the grinding chamber the triand j-hammers will reduce material 20:1

The Temperature Range is 17-30℃（63-90 Degrees F）

COMPATIBILITY PC Resolution (max)

Dynamic Contrast Ratio

Vevor MR-20G Drill Bits Sharpener 3-20mm Grinder with 18 Collets CBN & SDC Grind Wheels New Manufacturer Refurbished Heaters in the grinding chamber theVevor's MR 20G Drill Bits Sharpener provides high precision and excels at sharpening point angle and lip relief angle. This sharpener provides 95 to 135 point angle adjustment and comes with 18 collets suitable for 3 20mm drill bits. Choose between CBN or SDC grinding wheels for different materials to optimize efficiency. The sharpeners powerful DC motor provides 4500 RPM with strong torque, long lasting durability, and minimal noise.