What You Receive: you will receive 1 piece of blue pin vise hand drill, 74 pieces of micro 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 micro twists have different sizes, 54 pieces for 0.3-2 mm, 3 pieces for each size; 20 pieces for 0.3-1 mm, each size has 2 pieces, the interval between the two different sizes is 0.1 mm, 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 micro 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 micro 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 Features: Thoughtful gift: This twist drill set can be a useful gift for your family members and friends who enjoy carving and crafting, can save them time and energy, helping them create more beautiful crafts. Convenient to carry and store: This PCB drill set is convenient for you to store the craft drills in a storage box or bag, making it easier for you to carry them around when you need them. Specifications: Main material: aluminum alloy Color: mainly blue Size: 0.3-2 mm, 0.3-1 mm, 0.1-1 mm Package includes: 1 x Blue pin vise hand drill 74 x Micro twist drill bits 20 x PCB mini drill bits Notes: Manual measurement, please allow slight errors on size. The color may exist a slight difference due to different screen displays. Risk of stabbing. Keep away from children. Risk of swallowing. Keep away from children. Pointed items are included, please be careful when using and please keep them away from people.