?Hand Drill Set? The set includes: 1 hand drill + 30 micro drill bits from 0.3 to 30 mm, high precision. 30 drill bits of different sizes can meet your different needs.?Premium Material? High precision aluminum alloy hand drill with high speed micro steel. Practical and durable.?Adjustable Hand Drill? The hand drill has an adjustable drill bit holder that adapts to the different sizes of drill bits used. The hand drill has a 3-claw hardened steel chuck with a diameter of 0.3 mm to 3.4 mm.?Wide Application? Suitable for DIY drilling, model making, contains wood, resin, jewelry, walnut, amber, beeswax, olive oil, beads, PVC, acrylic and plastic, etc. which require precise holes instead of steel, iron, stone and hard materials.?Use? twist drills easy to handle, compact size, useful for electronic assembly, tool building, model making, winding, DIY and hobbies. Suitable for small hobby jobs, fits well in the hand for DIY enthusiasts and hobbyists.31 Pcs Hand Twist Drill Bits Mini Precision Hand Drill Aluminum Keyless Chuck 30 Twist Milling Cutter Drill Bits 0.3-3.0mm For DIY Drilling With BagFeatures:-- 1 x hand drill + 30 x micro drill bits 0.3-30mm, high precision.-- High quality aluminum alloy hand drill bits with high speed steel micro.-- Adjustable hardened steel 3-claw chuck, hand drill diameter 0.3mm-3.4mm.-- Suitable for wood, linden, horn, amber, olive, walnut, plastic, rubber, model and other materials to drill holes.-- The hand drill is a hand tool, not a power tool. Do not use steel, iron, stone, or other hard objects.Specifications:Vise Material: Aluminum AlloyMaterial: High Speed SteelSize: 0.3 / 0.35 / 0.4 / 0.45 / 0.55 / 0.6 / 0.65 / 0.7 / 0.75 / 0.8 / 0.9 / 0.95 / 1.0 / 1.2 / 1.3 / 1.4 / 1.5 / 1.5 / 1.6 / 1.6 / 1.7 / 1.7 / 1.7 / 1.8 / 1.9 / 2.0 / 2.2 / 2.4 / 2.5 / 2.6 / 2.8 / 3 mm (each size for 1 piece).Quantity: 30 pieces.Contents :1 hand drill