3M 88743, Disc Pad Hub, 2-1/2 in 5/8-11 Internal for Short, Shaft Tool, 7000120459 
Insize 3292-4, HUB MICROMETER, 3-4″, 6928640328435
$182.83
Graduation .0001″.
Measure hub thickness and shoulder inside a bore.
Ratchet stop.
Carbide measuring faces.
Supplied with setting standards (except 0-1″).
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