SAKATA 3D PLA 850 filament is...
For drilling, milling, grinding, polishing, cleaning, cutting, carving, engraving and signing. For precision mechanics, model builders, jewelers, opticians, artists and electronic enthusiasts. High concentric accuracy (maximum runout 3/100mm). No runout in your bits and cutters. See description for more details about the product.
A direct-drive 12V precision drill with a single fixed speed of 12,000rpm, ideal for drilling PCBs, engraving and precision grinding. The drill is supplied in a set including two grinding stones, 2 engraving bits and 2 collets.
Velleman Electric Precision Drill with 60 Accessories