... bits MINI Electric Nail Drill Pen Kit Description 1.This tool is design for carver, engrave, rout. Grind, ... sand, polish, drill and more 2. Unplug the tool form electric outlet before loading a bit3.Press shaft lock ... complete stop.6.When finished, turn off the tool and unplug it.Specification Light Weight and Portable ... control: 18000 RPM up to 20,000 RPMCollets type: 2.4mm or 3.2mm Voltage: AC 100 ...