What You Receive: you will receive 1 piece of black pin vise hand drill, 74 pieces of mini twist drill bits and 20 pieces of PCB mini drill bits, sufficient quantity and a nice combination to satisfy your daily use and replacement.Size Information: the mini twists have different sizes, 54 pieces for 0.3-2 mm, 3 pieces for each size; 20 pieces for 2.1-3 mm, each size has 2 pieces, and mini PCB drills have 10 different sizes, which are approx. 0.1-1 mm, assorted sizes for you to choose, please confirm the size you need before purchase.Long Serving Time: the mini drill bits set is mainly made of quality aluminum alloy, solid and sturdy for long lasting use, compact and hard wearing, and the PCB mini drills adopt reliable tungsten carbide, and the mini twist drills are made of alloy steel, hardly rusting or deforming, can be applied repeatedly, serving you for a long time.Wide Range of Applications: the pin vise hand drill set can be applied for electronic assembling, tooling, model making, winding, home decorating and so on, making your daily work more convenient.Enjoy the Fun of DIY: with these mini drills for jewelry, you can make your own wood crafts or jewelry, such as wooden home signs, wood figures, bracelets, necklaces, keychains, and so on, enjoying the fun of DIY.Colour: silver + blackMaterial: metalPackage Contents:1 set * Hand drill (drill random color, don't accept the specified color)Only the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.