1. Positive and negative switching 2. Infinitely variable speed, pressure plate design, the heavier the pressing, the faster the speed 3. 3/8 square rotation 4. The switch is locked to prevent accidental touch 5. LED power indicator 6. Non-slip handle
Product Features:
1. Positive and negative switching 2. Infinitely variable speed, pressure plate design, the heavier the pressing, the faster the speed 3. 3/8 square rotation 4. The switch is locked to prevent accidental touch 5. LED power indicator 6. Non-slip handle