Mudder 27 Pieces Pin Vise Hand Drills Bits Set Semi-automatic Spiral Rotary Tool with 25 Pcs 0.5-3 mm Micro Twist Drill Bits for Resin Polymer Clay Craft DIY Jewelry Electronic Assembling - Mudder-Pin Vises-0655-M

• Semi-automatic design: the semi-automatic rotary drill adopts a semi-automatic design, which can drill holes by pressing up and down, improving the drilling efficiency and saving time. You can use these 2 pin vise hand drills together, use the black hand drill bit at first, and then use the blue hand drill bit to drill for a long time until the hole is drilled Durable material: these 2 kinds of pin vise hand drills are made of aluminum alloy, not easy to break, adopting 3 claws chuck and 0.3 - 3.4 mm range of adjustable clamp, their tail can be rotated, easy to use 2 Kinds of drill bits: you will get 1 piece black pin vise hand drill, 1 piece blue semi automatic rotary drill bit and 25 Pieces 0.5-3 mm micro twist drill bits, 27 pieces in total, enough quantity for your to make craft and finish various DIY works Replaceable Design: the semi automatic hand drill is equipped with different sizes of micro drill bits, providing convenience to choose a proper one and drill different sizes of holes. The micro drill bits are suitable for handling wood, plastic, rubber, PVC, walnut, model, bone, angle, amber, olive, fiberglass and so on 2 Kinds of drill bits: you will get 1 piece black pin vise hand drill, 1 piece blue semi-automatic rotary drill bit and 25 Pieces 0.5-3 mm micro twist drill bits, 27 pieces in total, enough quantity for your to make craft and finish various DIY works