DIY Drilling Electric Tool Usb Mini Electric Drill Electric Hand Drill Circuit Board Acrylic Film Hand-Drop Glue Jewelry Punching Machine Main Features Multifunctional: Small size, lightweight, easy to carry. The comfortable handle provides greater control when cutting, engraving, milling, grinding, polishing, removing, and drilling. Wide Application: Ideal for drilling holes in plastic, wood, acrylic, pearls, paper products, thin aluminum sheets, PCB circuit boards, linden shells, walnut, and nutshells. USB charging: Equipped with a USB data cable, you can use the mobile phone fast charger head, power bank, and computer to charge it, which is convenient and fast. High-quality material: aluminum alloy shell, sandblasted appearance, long service life. Metal collet nut, the collet is stable and does not drop the drill. Simple design for easy operation and quick change of collet or other accessories. Using Methods Step 1: The drill must be drilled vertically during operation. According to the hardness of the object, press down slowly, and do not press down hard and fast, which will cause the drill to stick. Step 2: For hard objects, it is recommended to drill to a depth of 1mm, pull it back and drill again to avoid sticking. Specifications Materials Aluminum alloy Product Weight 140G Product Size(L x W x H) 11.5 2.5cm / 4.5 1inches Package Contents DIY Drilling Electric Tool 1 + 1x USB + 1 x Wrench + 6 x Drill bits Power supply voltage 220V Clamping range 0.7-1.2mm