WIDE APPLICATION, Compact size, useful for electronic assembly, tooling, model making, winding, home improvement and hobby. Multi-purpose hand drill is perfect for drilling a small hole on wood, plastic, rubber, PVC, walnut, model, bones, horns, amber, olives, and other materials, jewelry, plastic, and many other DIY projects that require the drilling of precise holes, instead of steel, iron, stone so hard materials.PRECISE AND DURABLE, Mini Hand Drill and 25-piece twist drill are made of high speed steel hand drill to make sure the Pin Vice Drill is ready for any hobby or precision job, the ribbed handle gives you the right leverage when you turn the vise, giving you speed and handle your precision designs.ADJUSTABLE, 3 claw hardened steel chuck, the hand drill can be equipped with many drills. (Diameter from 0.3mm to 3.4mm). It can hold slim drill bits firmly. The tightening thread (female thread) should fit properly on the underlying metal and be stable.This hand drill has an adjustable drill holder that matches the different drill sizes you use. Give them variety in jobs that can complete it.PORTABLE AND VARIOUS SIZES, Pen size design, easy to carry and store. 25 pieces of different sized drills can meet your different needs. 0.5mm / 0.6mm / 1.0mm / 1.2mm / 1.5mm / 1.8mm / 2.0mm / 2.35mm / 3.0mm.