Dynabrade 98271 1/2" NPT Male Plug 
Dynabrade 94980 1/4" Composite-Style Coupler, 1/4" Male 
Insize 3229-9, TUBULAR INSIDE MICROMETER, 8-9″, 6928640328831
$165.63
Graduation .001″
Carbide measuring faces.
8 to 9″ Range
Accuracy: .00032″
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