Dynabrade 11684 Dynabelter Contact Arm Assembly 4" DIA X 5/8" W., 40 Duro Serrated 
Insize 3229-8, TUBULAR INSIDE MICROMETER, 7-8″, 6928640328824
$149.03
Graduation .001″
Carbide measuring faces.
7 to 8″ Range
Accuracy: .00028″
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