3M 13172, Scotch-Brite Multi-Finishing Wheel, MU-WL, 2S Fine, 6 in x 1 in x 1 in, 7000136471 
Insize 3229-5, TUBULAR INSIDE MICROMETER, 4-5″, 6928640328794
$116.97
Graduation .001″
Carbide measuring faces.
4 to 5″ Range
Accuracy: .00024″
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