... MINI Electric Nail Drill Pen Kit Description 1.This tool is design for carver, engrave, rout. Grind, ... loading a bit3.Press shaft lock button, use the collet wrench to loosen the collet nut ... as artificial nails Perfect for professional or home use Variable speed control: 18000 RPM up to ... 100-240V EU 50/60HZDimension: 160mm x 24mm Multi use: carving, engraving, routing, grinding, sharpening, sanding, ...