Watch and clockmakers, jewelers, opticians, toolmakers and others will find these screwdrivers especially adaptable for fine, delicate work. The swivel knobs are concave to fit the finger and are hexagonal in shape to prevent rolling. Screwdrivers are available individually or in sets. .025" (0.6mm) Blade Width.
Note: 555AA tip is extremely fine. Starrett assembles the blade (PT02449AA) backwards from the factory to prevent damage in transit. Blade needs to be reversed before use.