Dynabrade 54972 Vane Set (5pk) 
Dynabrade 52379 4" (102 mm) Dia. Straight-Line Type 1 Extension Wheel Grinder, 1 HP, 12,000 RPM, 3/8"-24 Spindle 
Insize 3232-4, BLADE MICROMETER, 3-4″, 6928640327629
$300.78
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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Insize 3232-75A, BLADE MICROMETER (6.5×0.75mm), 50-75mm, graduation 0.01mm, 6928640305306
$290.56