Specifications: Power: DC 5V Max RPM:22000 Brass collet Capacity:0.8-1.5mm Suitable For: circuit board, PVC plastic board, wooden board, thin plate, thin plate, thin aluminium plates, etc Features: - Small size, easy to carry - The use of high-grade silver matte aluminum alloy shell! Extremely delicate high-end atmosphere! - The use of high quality twisted switch, composed of high-quality DC power socket, long life -Wide range of applications Packing Included: 1 x Electric hand drill 10 x Micro Twist Drill 1 x Wrench