Hand Spiral Drill Pin Vise Archimedes Pin Drill,
This ingeniously simple tool is perfect for drilling small holes in metal or other delicate materials.
The adjustable chuck can accommodate drill sizes 57 - 80 (0.34 to 1.09 mm) and the simple design makes it easy to use. Pulling up and down on the knurled plunger causes the body of the hand drill to spin like any other drilling device. The drill is held steady by resting one finger on top.
Over all length is 3-7/8 inches. Constructed of brass with a steel chuck and spring.