ITEM NAME:10pcs/set Pcb Print Circuit Board Carbide Cnc Mini Micro Drill Bits 0.3mm-1.2 Mm Descriptio n Description: 100% Brand new and high quality. Have large chip removal space, small resistance during chip removal process. Use high quality materials and fine grinding process makes sharp cutting edge, reduce cutting force and breaking drill, improve the quality of hole wall. Strictly symmetrical cutting edge makes for high performance cutting and avoids drilling deviation. Specifications: 10 pcs micro drill bits 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2mm (one piece for each size) Shank Diameter: approx.0.125" (3.175MM) Material: hard alloy Package Included: 10 X Drill Bits Note: 1.Due to the manual measurement and different measurement methods, the actual size could be slightly different. 2.Please be reminded that due to lighting effects and monitor's brightness/contrast settings etc, the color tone of the website's photo and the actual item could be slightly different. Whatever the ending's perfect or not, you can't disappear from my world 10pcs/set Pcb Print Circuit Board Car.Specifications:10 pcs micro drill bits 0.3, 0.4, 0.5, 0.6, 0.7, 0.8, 0.9, 1.0, 1.1, 1.2mm (one piece for each size). Use high quality materials and fine grinding process makes sharp cutting edge, reduce cutting force and breaking drill, improve the quality of hole wall.