3M 45094, Roloc Disc Pad TR, Soft 2 in 1/4-20 Internal, 7000045278 
Insize 3229-3, TUBULAR INSIDE MICROMETER, 2-3″, 6928640328770
$93.58
Graduation .001″
Carbide measuring faces.
2 to 3″ Range
Accuracy: .00020″
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