PREMIUM QUALITY - Using high quality materials and fine grinding process makes the cutting edge more sharp. Cutting Edge Diameter: 1.1, 1.2, 1.3, 1.4, 1.5, 1.6, 1.7, 1.8, 1.9, 2.0mm
MICRO DRILL BITS SET - Drill bit has a large scraps discharge space, little resistance and smooth.
FEATURE - Reduce cutting force and broken drill to improve the quality of hole wall.
PCB DRILL BIT - Easy to change out and do a great job cutting through the PCB for solder holes.
PRACTICAL TOOLS - Come with a great storage container, easy to find and grab the drill bit you need.