... bits MINI Electric Nail Drill Pen Kit Description 1.This tool is design for carver, engrave, rout. Grind, sharpen ... sand, polish, drill and more 2. Unplug the tool form electric outlet before loading a bit3.Press shaft lock ... on switch. When the switch is on, the tool runs at 20,000rpm. 5.There is a ... complete stop.6.When finished, turn off the tool and unplug it.Specification Light Weight and Portable ...