For match level accuracy, slide-to-frame fit on 1911-style au- tos
must be closer than a gnat's whisker. This specially modified
Starrett mike precisely measures the thickness of the slide's
"rails". Makes choosing the correct slide fitting bar quick and
accurate. No guesswork. Take measurement at three points along
the slide, average readings together, and select a slide fitting bar
(listed elsewhere) .001" to .002" thicker.
SPECS: Stainless steel, 2-½" (6.3cm) overall. Carbide
measuring faces read .0000 to .4265" (10.8mm). Includes plastic
case.
Catalog page 137