This mini hobby drill is made from aluminum alloy, not easy to break, and can hold small drills, wires, reamers. The head provides a center point to precise and effortless drilling The blue pin vise hand drill equipped with 1.8-3.2mm and 1.2-2.8mm adjustable chucks, easily match different drill bits. Simply press up and down to drill, drilling is smoother and more efficient 25pcs 0.5-3mm HSS micro-type twist drill bits, 1pc black mini pin vise, 1pc blue semi-automatic rotary drill, and 1pc 1.2-2.8mm extra rotary drill chuck, total 28 pieces for your craft carving DIY work The black pin vise has 3 jaws steel keyless chuck, adjustable from 0.3-3.4mm, securely clamping small drill bits for long-term use without falling off This pin vice set is perfect for drilling precise holes on wood, resin, jewelry, walnut, amber, beeswax, olive nuts, PVC, acrylic, plastic, etc. Note: Not suitable for steel, iron, or stone, Weight: 0.2094391489 Pounds, Manufacturer: Aisuoka