Packaged in a practical zipper case these micro screwdrivers won't get damaged or lost when not in use. The blades are high alloy nickel-chrome-molybdenum (SAE 8660) for maximum hardness and toughness, chromed with burnished tips. The ergonomically shaped 2-component plastic handles are oil and impact resistant and have a revolving top with a finger recess. The set includes tweezers for gripping small screws etc. The screwdrivers all have 50mm long blades tips as follows: Flat-blade: 1mm and 2mm Phillips: Ph 000, Ph 0, and Ph 1 Torx T5, T6, T7, T8 and T10 Hex: 1.5mm and 2mm