Versatile Hand Drill Set: Perfect for jewelry making, resin, and polymer clay crafts, offering precision and variety for all your DIY needs. Construction: The pin vise is crafted from aluminum alloy with a 3-claw chuck and adjustable clamp range of 0.3-3.4mm. PCB drills are made from tungsten carbide, while mini twists are crafted from sturdy alloy steel for long-lasting use. Precision Sizes for Detail Work: mini twist drill bits range from 0.5-3.0mm, and PCB mini drills range from 0.1-1.0mm. This variety provides the precision needed for detailed projects, making it suitable for intricate tasks in crafting and repairs. Wide Range of Applications: Ideal for drilling into materials such as wood, plastic, rubber, PVC, and more. PCB mini drills are perfect for FR-4 and -3 boards, CNC, molds, circuit boards, carbon fiber, and composite boards, ensuring versatility in projects. Portable and Convenient: Compact design makes it easy to carry and store in a toolbox or pocket. This set enhances convenience for electronic assembling, model making, and home decorating, allowing you to work efficiently wherever you go. Material:Metal Package Contents: 1 x Pin-type vise hand drill 25 x mini twist drill bits 10 x PCB mini drill bits