$13
* Built-in 1500mAh lithium battery, long-lasting battery life.
* Integrated smooth appearance, innovative screw-free structure.
* High-quality engineering plastic material, light weight, strong and durable.
* Forward and reverse buttons, easy to use.
* 50mm lengthened S2 alloy steel bit
* Comfortable faceted handle, a variety of holding positions.
* Over-current, over-voltage, over-temperature, and short-circuit protection during charging, making it safer to use.
