"Ergonomically designed handle with hollow rotating cap for ease of use and precise control. Blade manufactured from premium quality chrome vanadium/molybdenum steel for strength. Tip accurately machined for the ultimate screw fit. Plastic storage case.Contents: Slotted 1.0x15, 1.6x20, 2x22, 2.4x25; PH00x25, PH0x25mm."