By the design of 4-speed fixed torque and an automatic gear, which provides 380RPM speed and electric maximum torque 1.5kgf.cm.
- self-tapping screws
- large electrical screws
- mechanical equipment screws.
Safely self-locking design, as long as the screwdriver is manually twisted, the internal self-locking will automatically open to avoid damage to the motor. Electric and manual can be operated independently or simultaneously.