3M 88877, PSA Cloth Disc 348D, 40 X-weight, 20 in x NH, Die 2000D, 7000118887 
Insize 3532-75E, DIGITAL BLADE MICROMETER, 2-3″/50-75mm, 6928640327681
$607.40
Resolution .00005″/0.001mm.
Measure the groove diameter of shafts and keyways.
Non-rotating spindle.
Button function: on/off, set, inch/mm, ABS/INC
Data output. LR44 battery, automatic power off.
Ratchet stop.
Supplied with setting standards (except 0-1″/0-25mm).
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Insize 3232-75A, BLADE MICROMETER (6.5×0.75mm), 50-75mm, graduation 0.01mm, 6928640305306
$277.27