/ Precision Measuring Tools / Precision Hand Tools / Precision Shop Tools / Screwdrivers & Sets / 555A * Not actual product image 52550 555A Jewelers Screwdriver .040in (1mm) Blade 52550 Other similar products 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. .040" (1mm) Blade Width. Features Specifications Parts Downloads Contact Starrett Features Made for relatively small and very delicate work Bodies are made from knurled, nickel-plated steel Specifications Blade Width (in): .040" Blade Width (mm): (1mm) Parts Member of Kit Item #DescriptionPart No.QtyInformation 10BODY #55502441-01 20CUP SUB ASSEMBLY02448-01 30CHUCK02447-01 40NUT, .182-5602442-01 50BLADE #555APT02449A1 Downloads 2D Dimensional Drawing (PDF) .pdf 18.31 kb