General description Ideal for wood drilling, electronics repair, and home repair, this 20Pcs Mini Micro HSS Micro Drill Bit Set is suitable for wood, plastic products, circuit boards, and more. It is also perfect for precision crafts, jewelry, watch repair, model making, and hobbies. The high-quality mini twist drill bits are designed for professionals, ensuring accuracy and efficiency. Technical specifications Size range: 0.3mm - 1.6mm Material: HSS (High-Speed Steel) Other information A specially designed box keeps the drill bits securely in place and allows for quick access. Precision CNC machining for accurate and efficient drilling.