3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
Insize 3232-3, BLADE MICROMETER, 2-3″, 6928640327612
$270.34
Graduation: .0001″.
Measure the groove diameter of shafts and keyways.
Non-rotating spindle.
Ratchet stop.
Supplied with setting standards (except 0-1″).
Related products
Measuring/ Inspection Instruments
Insize 3232-75A, BLADE MICROMETER (6.5×0.75mm), 50-75mm, graduation 0.01mm, 6928640305306
$277.27
Measuring/ Inspection Instruments
Insize 1188-200A, DIGITAL BLADE CALIPER, 0-8″/0-200mm, 6928640302329
$201.89