Starrett PT14443 - Blade Only for 555 Jewelers Screwdrivers (#0 Phillips)
Starrett 555 Series Jewelers' Screwdrivers are useful for watch and clockmakers, jewelers, opticians, and toolmakers since they are adaptable for fine, delicate work.
This is the replacement blade for Starrett 555F Jewelers Screwdriver (#0 Phillips).