ITEM NAME:150Pcs 0.4-3.2mm Mini HSS Twist Drill Bits Straigth Shank Tools + Carry Case Description: Industrial quality for smooth accurate drilling Use on plastic, metal, and wood Will fit cordless screwdrivers, drills etc or use in standard drill chuck. Material: HHS Steel Sizes: 0.4-3.2mm Sizes included are: 0.4mm, 0.5mm, 0.6mm, 0.7mm,0.8mm, 0.9mm, 1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.8mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, Â 2.8mm, 3.0mm, 3.2mm Quantity: 1 set(150pcs) Package includes: 5Pcs for each size (1.0mm, 1.1mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm, 1.8mm, 2.0mm, 2.1mm, 2.2mm, 2.3mm, 2.4mm, 2.5mm, 2.6mm, Â 2.8mm, 3.0mm, 3.2mm) 10Pcs for each size (0.4mm, 0.5mm, 0.6mm, 0.7mm,0.8mm, 0.9mm).Quantity: 1 set(150pcs). Will fit cordless screwdrivers, drills etc or use in standard drill chuck.