Model Craft HSS Drill Set (10x) 0.5-2.2mm contains 20 HSS (High Speed Steel) drill bits with diameters varying between 0.5mm and 2.2mm, each drill bit has a base with a diameter of 2.35mm. creating a stronger base. The HSS are of a higher quality than average.
drill sizes:
0.5mm, 0.6mm, 0.8mm, 1.0mm, 1.2mm, 1.3mm, 1.5mm, 1.8mm, 2.0mm 2.2mm
