3M 76624, Roloc Disc 777F, 60 YF-weight, TR, 1 in, Die R100N, 7000045620 
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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