3M 59803, Hand-Masker Film Blade FB12-SC, 12 in (30.4 cm), 7100200124 
Insize 3232-2, BLADE MICROMETER, 1-2″, 6928640327605
$249.55
Graduation: .0001″.
Measure the groove diameter of shafts and keyways.
Non-rotating spindle.
Ratchet stop.
Supplied with setting standards (except 0-1″).
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