Drill Bit Assortment 1.05-2mm. Precision drill bit assortment containing the finest quality steel HSS drill bits. 15 piece set with sizes ranging from 1.05mm to 2mm in .05mm increments up to 1.5mm then .1mm increments to 2mm. Used for all micro drilling projects in wood, plastics and soft metals. Will fit in most rotary tools or hand held pin vises. Sizes: 1.05, 1.1, 1.15, 1.2, 1.25, 1.3, 1.35, 1.4, 1.45, 1.5, 1.6, 1.7, 1.8, 1.9, 2mm.