Mini Electric Drills Portable Handheld USB Drill Rotary Tools Engraver Pen Drilling Jewelry Tools with Drill Bits Power Tools Each set of independent bubble bag opp bag Product Basic Information: Packing Size Package one :110g (small electric drill 3 twist drills 1 wrench) Package two: 115g (small electric drill 10 0.9mm 3 1.1mm 1 wrench) Package three :130g (small electric drill 10 0.9mm 3 1.1mm 1 wrench 50 gold and silver sheep eye nails) Package four 230g (small electric drill 10 0.9mm 3 1.1mm 1 wrench 50 gold and silver sheep eye nails small clamp) Package five 125g (small electric drill boxed drill bit 0.8/0.9/1.0/1.1/1.2mm each 2 pieces 1 wrench) Package six 140g (small electric drill boxed drill 0.8/0.9/1.0/1.1/1.2mm 2 each 1 wrench 50 gold and silver sheep eye nails each Specifications: This mini drill does not provide high precision machining, nor does it work on high hardness materials such as iron. If you are machining high hardness materials, choose the mini drill, version 5A Install the drill in the correct way: see Figure 2, which shows how to tighten the drill. Make sure the bit is installed straight enough, otherwise it will cause blistering. The diameter of the motor shaft is 2 mm. Lightweight mini hand drill. It cannot be used continuously for a long time. Please do not drill thick metal, stone tools, glass, walls, etc. Great hand tool for DIY work grinding or carving. Small, lightweight, portable and comfortable to hold, it provides better control when cutting, engraving, milling, grinding, polishing, removing and drilling. Aluminum alloy shell, sandblasted appearance, long service life. Ideal for drilling holes in plastic, wood, acrylic, pearl, paper, thin aluminum, PCB circuit boards, bodhi, walnut and nut shells up to 1/4" 12mm thick. Package Included: 1*Set of small electric drill 3 twist drills 1 wrench