[Package Content]: The mini drill kit includes a 0.7-1.2mm micro drill, 10pcs 0.9mm drill bits, 3pcs 1.1mm drill bits and a wrench [Compact Size]: The mini nd drill is made of high quality ABS material, sturdy and durable. Compact size, light weight and easy to carry [Powered by USB Cable]: The portable mini drill is powered by USB cable. The switch is easy to use and convenient to use [Comfortable to hold]: The cylindrical drill body is comfortable to hold and provides better control when cutting, engraving, milling, grinding, polishing, removing and drilling [Wide application]: Useful for electronic assembly, tools, model making, jewelry making and many other DIY projects where precise holes need to be drilled. It is a must for DIY enthusiasts Technical specifications: Material: ABS + metal Color: black Power supply: 5 V DC Suitable clamping range: 0.7-1.2 mm Drill size: 9 x 2.5 cm USB cable length: 1.8 m Weight: 115 g Package includes: 1 x mini drill with USB cable 10 x 0.9 mm drill bits 3 x 1.1 mm drill bits 1 x wheel Note: 1. This product is not suitable for drilling heavy metals or high rdness materials such as bodhi, thick metal, walls and stones, etc. 2. If you ve any questions, please feel free to contact us. We will reply you within 24 hours. LRFR is committed to providing each customer with the highest standard of customer service.