3M 65491, Pro Grade Precision Ultra Durable Universal Hole Sanding Disc, DUH5220TRI-10T, 5 IN x UH, 220, 7100202880, 10 per pack 
Insize 3203-753A, OUTSIDE MICROMETER, 0-75mm, 6928640304149
$127.37
Graduation 0.01mm
Carbide measuring faces.
Ratchet stop type
Supplied with setting standards (except 0-25mm).
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