Feature 1Punching in easy way, hand drill supports smooth hand twist while the finished hole is smooth and easy to operate, not damage items. 2As a woodworking accessory, hand drill is adaptive to drill wood, linden tree, horn, amber, olive, walnut, plastic and other materials. 3High-quality metal aluminum alloy materials entitles such hand tool with high strength and durability. 4Built to strict quality control standards, hand twist drill is suitable for model making, drilling wood, pipal tree seed, bone horn, olive core, walnut, plastic, etc. 5Easy to carry with exquisite workmanship accuracy twisted drill is with ability to keep high efficiency. Item Type: Hand twist drillMaterial: Aluminum alloyColor: SilverSize:Twist Drill Length: Approx. 12cm / 4.7inHandle Length:Approx. 2cm / 0.8inClamping Range: Approx. 0.5 ~ 3mm / 0.02 ~ 0.12inDrill Bit Size: 1 x Approx. 0.8mm / 0.03in Drill Bit1 x Approx. 1mm / 0.04in Drill Bit1 x Approx. 1.2mm / 0.05in Drill Bit1 x Approx. 1.5mm / 0.06in Drill Bit1 x Approx. 1.8mm / 0.07in Drill Bit1 x Approx. 2mm / 0.08in Drill Bit1 x Approx. 2.2mm / 0.09in Drill Bit1 x Approx. 2.5mm / 0.1in Drill Bit1 x Approx. 2.8mm / 0.11in Drill Bit1 x Approx. 3mm / 0.12in Drill Bit Package List 1 x Hand Twist Drill1 x Drill Bit 0.8mm1 x Drill Bit 1.0mm1 x Drill Bit 1.2mm1 x Drill Bit 1.5mm1 x Drill Bit 1.8mm1 x Drill Bit 2.0mm1 x Drill Bit 2.2mm1 x Drill Bit 2.5mm1 x Drill Bit 2.8mm1 x Drill Bit 3.0mmNoteHand twist drill is not suitable for hard amber, jade, metal, steel plate and other hard village drilling, which will lead to unusable situations.