Feature:1. Using highquality materials, the drill bit has high wear resistance, high hardness and strong bending resistance.2. With sharping cutting edges, milling grooves and cleanly surfaces, effectively improving work efficiency.3. This product can work quickly and cleanly, without burrs or debris, and give you a cleanly work surface.4. Can be used for maintenance and use in different places, with a wide range of applications.5. These drill bits can be used for watch repair, woodworking, cutting, carving, etc.Specification:Item Type: Mini Drill Bits Material: Tungsten steelSpecification: 1 Box Mini Drill Bits(10Pcs)Drill Specifications0.6mm / 0.02inFunction: Watch repair, woodworking, cutting, carving, etc..Package List:1 Box Mini Drill Bits(10Pcs)Note:Please note that the color of the middle part of this product will be sent randomly, and make sure you will not mind before ordering.