For up to 20.0mm Deep Drill (Gun Drill) Re-sharpening
1. Easy to grinding 3/4 or 1/2 circle gun drill
2. be able to apply lathe tool or insert grinding
3. Use high quality resin bonded diamond wheel
4. Adjustable angle for workbench
5. Movable workbench
6. Workbench adjustable angle -10°~ +25°