... bits MINI Electric Nail Drill Pen Kit Description 1.This tool is design for carver, engrave, rout. Grind, sharpen, sand, ... 2. Unplug the tool form electric outlet before loading a bit3.Press shaft lock button, use the collet wrench to loosen the ... Voltage: AC 100-240V EU 50/60HZDimension: 160mm x 24mm Multi use: carving, engraving, routing, grinding, sharpening, sanding, polishing, drilling and ...