Features: Precise Drilling: These Mini Drill Set features a 2.35mm shaft diameter, great for creating precise holes in small components and intricate projects. Quality Construction: Crafts from tempered metal alloy with a coating, these twist drill bits offer enhances durability and sharpness, ensuring smooth drilling. Ideal Users: Perfect for DIY enthusiasts, professional woodworkers, and model makers who require quality tools for detailed and accurate drilling tasks. Multipurpose Applications: Suitable for use with electric drills, pin vises, and rotaring tools, this drill set is ideal for working on component like jewelry, amber, beads, resin, PCBs, leather, and wood. Convenient: Each drill bit is individually packaged to prevent damage and contamination, making it easy to store and transport for various crafting and repair projects. Specifications: Component: Metal Alloy Color: As pictures shown. Length:Approx. 5cm/1.97in Optional Diameter: 0.5mm, 0.6mm, 0.7mm, 0.8mm, 0.9mm, 1mm Quantity: 10pcs Package Includes: 10Pcs Twist Drill Bit note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.