Features: Experience precisions drilling with the miniature drill bit set, engineered from durable tungsten steel for consistent performances in your most intricate projects. This set features a variety of sizes ranging from 0.1mm to 2mm, each bit designed with a sharpness cutting edge and milling grooves to ensure clean, smooth finishes on every use. For hobbyists, jewelry designers, and craft enthusiasts, these miniature drill bits cater to those who demand accuracy and detail in their work. Whether you're working on PCB circuit boards, engraving personalization jewelry, or creating detailed models, this versatiled tool set is essential for achieving professional result. Enhances your crafting toolkit with these bit, and take your DIYer projects to the next levels with the reliability and precisions that only can provide. Specifications: Component:Metal Size:As Picture Shown Style: 0.1 to 1mm/0.3 to 1.2mm/0.6 to 1.5mm/1.1 to 2mm Package Includes: 10pcs Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you donot mind befores you order. 2.Due to the differences between different monitors, the picture may not reflect the actual coloring of the item. Thanks for your understandings.