- Infinitely variable speed, as you want, high and low speed conversion, to meet different working conditions.
- The lock drill chuck is low in wear and strong in holding capacity, professional construction is not careful, and the clutch protects to avoid sprains of the arm.
- Adjust the direction at any time according to the need to facilitate the operation, without tedious procedures, changing the drill bit is more convenient
- easy and convenient.
- Push to the left to turn forward and reverse to reverse for a long time. The rubberized handle is effective and allows