3M 88905, PSA Cloth Disc 348D, 40 X-weight, 12 in x NH, Die 1200B, 7010294665 
Insize 3220-4, INSIDE MICROMETER, 3-4″, 6928640328572
$164.06
Graduation .001″
Ratchet stop.
Carbide measuring faces.
Optional accessary: setting ring (part no. 6313), micrometer stand and clamp (part no. 6301 and 6301-1).
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