Dynabrade 77769 5" Dia. x 7/8" Center Holes, 80 Grit, Z/A, Type 27, DynaCut Flap Disc w/Fiberglass, 10/pack 
Insize 3225-36, TUBULAR INSIDE MICROMETER, 4-36″, 6928640328756
$871.59
Graduation .001″
Accuracy: [.00005(3+n+L/2)]”, n=number of rods,L=maximum measuring length (inch).
Supplied with setting standards.
Carbide measuring faces.
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