Description: 150 pieces HSS round shank bits Made from high HSS Steel Start without pre-punching, fast drilling rate with extremely low friction Home or personal DIY and general building / engineering use Perfect for plastic, wood, angle iron, metal and aluminium alloy Specification: Material: HSS Quantity: 150 pieces Size: 0.4mm to 3.2mm(0.4/0.5/0.6/0.7/0.8/0.9/1.0/1.1/1.2/1.3/1.4/1.5/1.6/1.8/2.0/2.1/2.2/2.3/2.4/2.5/2.6/2.8/3.0/3.2mm) Package Includes: 10 pieces 0.4mm drill bits 10 pieces 0.5mm drill bits 10 pieces 0.6mm drill bits 10 pieces 0.7mm drill bits 10 pieces 0.8mm drill bits 10 pieces 0.9mm drill bits 5 pieces 1.0mm drill bits 5 pieces 1.1mm drill bits 5 pieces 1.2mm drill bits 5 pieces 1.3mm drill bits 5 pieces 1.4mm drill bits 5 pieces 1.5mm drill bits 5 pieces 1.6mm drill bits 5 pieces 1.8mm drill bits 5 pieces 2.0mm drill bits 5 pieces 2.1mm drill bits 5 pieces 2.2mm drill bits 5 pieces 2.3mm drill bits 5 pieces 2.4mm drill bits 5 pieces 2.5mm drill bits 5 pieces 2.6mm drill bits 5 pieces 2.8mm drill bits 5 pieces 3.0mm drill bits 5 pieces 3.2mm drill bits Note: The colors may be different for the different display, please understand Please allow 1-3mm error due to manual measurement, make sure you do not mind before you bid