21 Pieces Pin Vise Set Include Pin Vise Hand Drill and 20 Pieces Mini Twist Drill Bits (0.3-1.6 mm) for DIY Wood Clay Resin Casting Molds Jewelry Pendant Making Supplies Product Description Sufficient pin vise set: you will receive 1 piece of hand drill and 20 pieces mini twist drill bits with different sizes in this package, 21 pieces in total, enough quantity and a variety of sizes to meet your different needs in daily life Drill bits set: the size of twist drills range from 0.3-1.6 mm, includes 0.3 mm, 0.35 mm, 0.4 mm, 0.45 mm, 0.5 mm, 0.55 mm, 0.6 mm, 0.65 mm, 0.7 mm, 0.75 mm, 0.8 mm, 0.85 mm, 0.9 mm, 0.95 mm, 1.0 mm, 1.2 mm,1.3 mm, 1.4 mm, 1.5 mm and 1.6 mm, come with a plastic box for your storage, you can put them in different inner boxes according to different sizes, no need to worry about losing Easy to use: the hand drill is in adjustable design and is easy to be equipped with drills which is from 0.3 mm to 3 mm, the drill holder can match with different sizes of drills, you just need to clip them tightly and firmly by rotating the vise head, easy and convenient to operate Wide range of usages: suitable for drilling small holes of various things, such as resin, plastic, wood, clay, bead, crafts, artificial pearls, jewelries, model making and so on, very practical items in daily life. SOME OF THE MORE POPULAR BITS MAY BE DUPLICATED