Features 1、High quality Mini Twist Drill Bit for the professionals. 2、Ideal for woodworking drilling, electronic product repair, home repair, suitable for wood, plastic products, circuit boards and so on. 3、Specially designed box keeps these drill bits securely in place and helps you find the desired one quickly. 4、Great for precision crafts, jewelry, watch repair, model making, hobby work, etc. 5、Precision CNC machining, accurate and efficient. Specification Features: High quality Mini Twist Drill Bit for the professionals. Ideal for woodworking drilling, electronic product repair, home repair, suitable for wood, plastic products, circuit boards and so on. Specially designed box keeps these drill bits securely in place and helps you find the desired one quickly. Great for precision crafts, jewelry, watch repair, model making, hobby work, etc. Precision CNC machining, accurate and efficient. Specification: Material: High Speed Steel Drill Bit Size: 0.3mm, 0.35mm ,0.4mm, 0.45mm, 0.5mm, 0.55mm, 0.6mm, 0.65mm, 0.7mm, 0.75mm, 0.8mm, 0.85mm, 0.9mm, 0.95mm, 1.0mm, 1.2mm, 1.3mm, 1.4mm, 1.5mm, 1.6mm Package list: 20 * Mini Drill Bit Package List