With this handy micro drill set you get the most popular sizes for precision drilling. This set includes 30 mini drill bits constructed of high speed steel with right-hand twist flutes. High speed steel Double flute Right hand twist Size(s) (5) 0.5mm, (5) 0.6mm, (5) 0.8mm, (3) 1.0mm, (2) 1.2mm, (2) 1.5mm, (2) 1.8mm, (2) 2.0mm, (2) 2.35mm, (2) 3.0mm Powered by ExportYourStore.com