Features100% High quality and Brand new.It has a small body, but it can play a role in the unexpected.Specially for PCB Wood plastic drilling hole saw.It also can use for polishing (only need add some abrasive).Great helper for your productivity.
SpecificationPower: 3-12 V DC(the best power supply 5V 1A or 12V 500mah)None-load speed RPM:22000Diameter: 2.8CM(1.1")Length: 5.2CM(2.05")Diameter of axe: 2.3MM(0.09")Weight:165g(0.36lbs)Rated wattage: 20WRated torque: 600G.CMJTO chuck capacity:0.3-4mm(0.01"-0.16") 
Package Includes1 x DC Motor10 x Micro Twist Drill ( 0.5(0.02")/0.8(0.03")/1.0(0.04")/1.2(0.05")/1.5(0.06")/1.8(0.07")/2.0(0.08")/2.3(0.09")/2.6(0.1")/3.0mm(0.12") drill) 1 x 0.3-4mm(0.01"-0.16") JTO Chuck1X Chuck key1 x 2.3mm(0.09") shaft(the package not include power supper,if want to order,you can search in my store)(Packed Safely in Bubble Bag.)
portable DIY PCB handheld drill for DIY,DC12V Motor with 10pc twist drill bits
Pin vise hand drill ideal for drilling holes on plastic, wood, acrylic, pearl, paper, thin aluminum board, PCB circuit plate board, bodhi, walnut and nut shell under 1/4" thickness.
Motor shaft diameter is 2.3 mm. Light power mini hand drill. Cannot be used continuously for a long time. Please do not drill thick metals, stone tools, glass, walls, etc.
This mini electric drill also can be used for engraving cutting grinding polishing (only need add some abrasive tool).
Package include dc motor ,drill chuck ,Quick connection terminal,10pcs twist bits and key,not include power supply,if you need,please search in my store(adjustable power supply)