Features: Discover precise and versatility with the miniature hss twist drill set, featuring sizes from 0.4-3.2mm, perfect for intricate crafting and repair work. Crafted from high speed steel, these miniature twist drills offer exceptional durability, wear resistance, and corrosion protection, all neatly stored in a specially designed plastic box for easy organization and transport. For DIYer enthusiasts, model makers, jewelry artisans, and small scale repair professionals seeking reliable tool for detailed projects. Perfectly suited for drilling tasks on wood, plastic, and metal, this set is a essential addition to any home workshop or professional studio. Enhances your craftsmanship with this comprehensive drill bit set, ensuring you have the right tool at hand for every precise task, whether it's watch repair or hobby electronics. Specifications: Component:ABS+Metal Size:Approx.19.8x16.5x3.5cm/7.79x6.49x1.37inch Package Includes: 1 Set Twist Drill Power Tool 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.