Scotch-Brite 924, Surface Conditioning Disc Pad Holder, 4 in x 1/4 in, 7000120561 
Insize 3229-5, TUBULAR INSIDE MICROMETER, 4-5″, 6928640328794
$116.97
Graduation .001″
Carbide measuring faces.
4 to 5″ Range
Accuracy: .00024″
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