【Miniature hand-held electric drill】-Speed and stability, high power, high speed 13,000 rpm, reliable quality. 0.3mm-4mm precision steel drill, clamp executive firm, precise handy! Equipped with a Adjustable 5V-12V DC power supply, more secure. The machine is suitable for hand-held, easy to grip, easy to operate, easy to carry. Press-point switch at any time stop, safe and reliable. The drill for drilling circuit boards, jewelry processing, wood drilling, soft metal drilling, copper and iron in the above drilling.