3M 92250, Extra Large Single Angle Sanding Sponge 910PSA-12-CC, 2-7/8 in x 8 in x 1 in Fine, 7100101547 
Insize 3229-9, TUBULAR INSIDE MICROMETER, 8-9″, 6928640328831
$162.90
Graduation .001″
Carbide measuring faces.
8 to 9″ Range
Accuracy: .00032″
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