... for carver, engrave, rout. Grind, sharpen, sand, polish, drill and more 2. Unplug the tool form electric outlet before loading ... wrench to loosen the collet nut. Insert the bit, and tighten the collet securely,. But avoid excess tightening of the ... 160mm x 24mm Multi use: carving, engraving, routing, grinding, sharpening, sanding, polishing, drilling and so onOriginal box: YESPackaging size: 210*95* ...