7 Piece Jewelers Screwdriver Set - Nos. 555AA/A/B/C/D/E/F with Case Overall length of screwdriver is approximately 3-3/4 Inch.

Jewelers Screwdriver is for watch and clockmakers, jewelers, opticians, toolmakers and others who will find that the screwdriver is especially adaptable for fine, delicate work. The swivel knobs are concave to fit the finger and are hexagonal in shape to prevent rolling. The screwdriver is available individually or in sets. Blades vary in width from .025-.100 Inch (0.6-2.5mm). There is also a blade available for 0 Phillips head screws.