Full-Auto Disk-Brake Shut Off Electric Screwdriver

This is the latest ergonomic design, comfortably for the operator to hold. It will minimize the fatigue and decrease the tightening inertia momentum as well.Special features:- light warns when carbon brush needs replacement- internationally patented disk brake design to prevent the sparks caused by the motor abruptly stop with reverse voltagethat it will damage electronic components and led to high repair costs.- direct plug-in type