Micro drill bit set #0.2mm - 1mm High quality alloy composition. Recommended for use on: plastic, resin, wood and soft metal. Precision ground to stay sharp longer. (9-piece set). 3D Drill Set - 0,2 - 1.00 mm - 9pcs # mn040 * 0.20mm * 0.30mm * 0.40mm * 0.50mm * 0.60mm * 0.70mm * 0.80mm * 0.90mm * 1.00mm