Features: Discover precisions and versatility with our 20/25 piece mini twist drill bit set, crafted from high speed steel (HSS) for superior durability and performances in delicate drilling tasks. This comprehensive set includes drill bits ranging from 0.3mm to 1.6mm, housed in a specially designed plastic box that ensures secure storage and easy access to one bit at a time. Ideal for DIY enthusiasts, model makers, jewelers, and electronics repair professionals, this set meets the exacting standards of intricate craftworks and repairs. Perfect for precisions drilling in materials such as wood, plastic, metal, and resin, this kit is essential for detailed projects and fine craftsmanship. Enhances your toolkit with these mini drill bits, engineered for accuracy and reliability, making them a indispensable asset for any meticulously craftsmen or hobbyist. Specifications: Component: HSS Color: As pictures shown. Optional Quantity: 20/25Pcs, 25pcs 20/25Pcs Specification: 0.3-1.6mm 25pcs Specification: 5pcs 0.5mm, 5pcs 0.6mm, 3pcs 1.0mm, 2pcs 1.2mm, 2pcs 1.5mm, 2pcs 1.8mm, 2pcs 2.0mm, 2pcs 2.35mm , 2pcs 3.0mm Size: As pictures shown. Package Includes: 20/25Pcs / 25pcs Mini Twist Drill Bits (optional) 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.