Dynabrade 94991 1/4" Female Composite-Style Coupler with 1/4" Female Plug Assembly 
3M 26015, PPS Series 2.0 Adapter, Type S8, 12 mm Male, 1.0 mm Thread, 7100135931 
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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