Product Feature Sharp Head Design: Provides a central point, high hardness, and faster drilling with less effort. Made with sharp head design. Durable Material: Made with aluminum alloy, this precision pin vise can hold small drills, wires, and reamers, and withstands wear and tear. Useful Tool: This hand drilling tool is ideal for electronic assembling, tool-making, and model-making, making it a versatile addition to your toolkit. Wide Material Compatibility: Mainly suitable for materials such as wood, resin, jewelry, walnut, amber, beeswax, olive nut, beads, PVC, acrylic, and plastic. Complete Set: Comes with 31 drill bits in different sizes (0.8/1.0/1.2/1.5/1.8/2.0/2.2/2.5/2.8/3.0MM and 0.3/0.35/0.4/0.45/0.5/0.55/0.6/0.65/0.7/0.75/0.8/0.85/0.9/0.95/1.0/1.1/1.2/1.3/1.4/1.5/1.6 MM), allowing you to tackle various drilling tasks. Secure Chuck: The drill pin vise has a 3-jaw steel chuck with a capacity of 0.8-3.0 mm (1/ 64 - 9/ 64 inches), ensuring a secure grip on your drill bits. Product Specification Type 31Pcs Micro Hand Drill Bits Set MaterialAluminum Alloy Drill Bits Size0.3MM-3.0MM Hand Twist Push Drill Size9.3cm1.5cm/3.66in0.59in Chuck Capacity0.8 - 3.0 mm (1/ 64 - 9/ 64 inches) Applicationfor electronic assembling, tool-making, model making Application 1hold small drills, wires, reamers suitable forwood, resin, jewelry, walnut, amber, beeswax, olive nut, beads, PVC, acrylic and plastic, etc Package Included 1 x Hand Twist Push Drill 30 x HSS Micro Drill Bit Set s