Dynabrade 97570 1/2" NPT Female Safety Coupler 
3M 33443, Cubitron II File Belt, 36+, 1/2 in x 18 in (12.7 mm x 457.2 mm), 7100033184, 10 belts per carton, 5 cartons per case 
Dynabrade 92114 1/2" W x 12" L 180 Grit A/O DynaCut Belt, 50/pack 
Insize 3229-13, TUBULAR INSIDE MICROMETER, 12-13″, 6928640328879
$214.02
Graduation .001″
Carbide measuring faces.
12 to 13″ Range
Accuracy: .00036″
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