Discover precision at its finest with this comprehensive 20-piece micro drill bit set, ranging from 0.3mm to 1.6mm in diameter. These high-speed steel (HSS) spiral drill bits are specifically designed for intricate work in jewelry making, watch repair, model crafting, and delicate electronics projects. The set comes organized in a practical storage case for easy access and protection. Each drill bit features a precise spiral flute design that helps efficiently clear material while drilling, making them ideal for working with various materials in detailed hobby work. Perfect for craftspeople, jewelers, and hobbyists who require ultra-precise tools for their detailed projects. The compact size and sharp cutting edges allow for precise hole-making in confined spaces. These mini drill bits are engineered to maintain accuracy and deliver consistent results in precision applications where standard-sized drill bits would be too large.