Yakamoz 0.7-1.2mm Mini Micro Electric Aluminum Hand Portable Handheld Drill with 15pcs Drill Bits, 2A Power Supply Included This is a smart and useful hand tool for working on PCB circuit plate board, thin metal, thin alumin Small volume, light weight, easily carry, comfort grip handle, offers better control while drilling. Perfect electric grinder for cutting, engraving, milling, grinding, polishing, removing and drilling. Aluminum alloy shell, appearance sand blasting, long life use. Ideal for drilling holes in wood, plastic, paper, sheet metal, acrylic, mixed media and more. (Please Note: It can not work on high hardness material like iron. Please choose 5A version mini drill if you work on high hardness material.)