General description The 37 Pieces Hand Twist Drill Tool Set is an essential kit for DIY enthusiasts and professionals alike. This versatile set includes a miniature pin vise drill bit and a bench vise, perfect for crafting, carving, and jewelry making. With a range of drill bits from 0.5 to 3 mm and PCB drill bits from 0.3 to 1.2 mm, this set is designed to meet various drilling needs. Technical specifications Material: Aluminum alloy (big pin vise), alloy steel (twist pin vise), tungsten carbide (rotary tools) Big pin vise size: approx. 3.54 x 0.6 inches (9 x 1.4 cm) Bench vise size: approx. 4.3 x 2.4 x 1.4 inches (11 x 6.1 x 3.5 cm) Rotary tools diameter: approx. 0.13 inches (3.2 mm) Rotary tools length: approx. 1.5 inches (38 mm) Total quantity: 37 pieces Compatibility and accessories Includes 1 x pin vise Includes 10 x mini drills Includes 1 x bench vise Includes 25 x twist drills Usage This tool set is ideal for a variety of applications, including: Carving and sculpting Drilling