The Wiha PicoFinish Slotted Fine Screwdrivers come with a round Chrome vanadium steel blade, and is matt chrome plated. Its ergonomic handle design with a soft zone provides increased comfort. The smooth-running rotating cap allows users to turn the screwdriver quickly and sensitively. Printed screwdriver symbols on the rotating cap make it easier to select the right screwdriver profile.Ideal for delicate and high-precision tasks in precision mechanics as well as for hobbyists and model building..