Set of 7 drill bits made from high-grade steel for precise drilling. Ideal for drilling into soft metals, wood, plexiglass, and plastic. Stored in a convenient storage box. Accessory sizes: 0.8 mm, 1.2 mm, 1.6 mm, 2.0 mm, 2.4 mm, 2.8 mm, 3.2 mm diameters.