Standard Abrasives 726026, A/O C1 Straight Precision Cartridge Roll, 1/2 in x 2-1/2 in x 1/4 in 120, 7010310692 
3M 05674, Disc Pad Holder, 914, 4 in x 1/8 in x 3/8 in 5/8-11 Internal, 7000120888 
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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