Material: Made of high quality ABS + metal, strong and durable. Portable: The DIY mini electric drill is lightweight and easy to carry. Flexible use: 5000rpm, 10000rpm, 15000rpm, 3 different speeds suitable for different working environments, the mini electric drill kit is equipped with different grinding heads, which is very flexible according to your needs. Mini multifunctional electric drill: suitable for cutting, engraving, milling, grinding, polishing, removing, drilling, manicuring, etc. Package includes: 1 mini drill, 105 accessories, no power supply. Mini Portable USB Drill Grinding Power Tool Kit Rotary Shank Engraving Bit Kit for Engraving, Sanding, Knife Sharpening and Nail Art Features: Mini DIY Drill: The mini DIY drill is lightweight and easy to carry. Various Types of Grinding Heads: This micro drill set comes with a variety of grinding heads to meet your different needs. 3 different speeds: 5000rpm, 10000rpm, 15000rpm, 3 different speeds are suitable for different working environments, very flexible according to your needs. USB Powered: Powered by USB, it can be plugged into a power bank, power bank or even a computer, allowing you to use it anytime, anywhere. Multi-function mini drill set: suitable for cutting, engraving, milling, grinding, polishing, dismantling, drilling, manicure, etc. Specifications: Material: ABS + Metal Product dimensions: approx. 168 x 25 mm (W x D) Input voltage: 5 V DC / 2 A Output current: 30W. Discharge speed: 5000-15000r/min Pin diameter: 0.5-3.2mm Number of accessories: 105 pieces/161 pieces Net weight: 310g (105 accessories + small electric drill) / 550g (161 accessories + small electric drill) The package includes: 1 x mini drill, no power supply 105 accessories