3M 26120, PPS Series 2.0 Adapter, Type S28, 17.5 mm Female, 19 TPI
Thread, 7100135956 
Insize 3229-6, TUBULAR INSIDE MICROMETER, 5-6″, 6928640328800
$130.84
Graduation .001″
Carbide measuring faces.
5 to 6″ Range
Accuracy: .00024″
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