3M 29825, Sanding Screen, 60 Grit, 20 in x NH, 7100160253 
3M 45093, Roloc Disc Pad TR, Extra Hard 3 in 1/4-20 Internal, 7000045285 
Insize 3224-200, TUBULAR INSIDE MICROMETER, 40-200″, 6928640356834
$6,623.07
Graduation .001″
Accuracy: [.00005(7+n+L/2)]”, n=number of rods,L=maximum measuring length (inch).
Carbide measuring faces.
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