<p>Different Size Twist Drill Bits: Including 48 pieces micro twist drill bits, 0.5/0.6/0.7/0.8/0.9/1.0 mm (3 pieces for each size); 1.1/ 1.2/ 1.3/ 1.4/ 1.5/ 1.6/ 1.7/ 1.8/ 1.9/ 2.0 mm (2 pieces for each size); 2.1/ 2.2/ 2.3/ 2.4/ 2.5/ 2.6/ 2.7/ 2.8/ 2.9/ 3.0 mm (1 piece for each size). which can meet your various needs in daily life.</p> <p>Precision Adjustable Hand Drill: The 3-jaw chuck can firmly grip the mini micro drill bits by rotating one end of the model making hand drill, the diameter range of drill bits are 0.3-3.5mm, which can fit many sizes of drill bits.</p> <p>Wide Application: The model making hand drill is used for precision drilling and manufacturing. drilling tool, model, a great tool for making. Art, craft, pendant jewelry and sculpture, etc. Comfortable handle, easy to learn and operate.</p> <p>Durable and Sturdy: Our mini hand drill is made of high-quality aluminum alloy, perfect for drilling wood, plastic, rubber, PVC, walnut, patterns, bones, horns, amber, olives and other materials. It is not a power tool, it cannot be adapted to hard objects such as steel, iron, or stone.</p> <p>Hand Drill Kit: The package includes a black hand drill, 48 twist drill bits, a pair of mini pliers, and a transparent storage box. All twist drill bits, the black multi-function drill, and the mini pliers are stored in a transparent box, perfect for carrying in a toolbox or pocket. The pliers can help you easily get the micro drills into miniature ones.</p >