Dynabrade 50149 3/8"-24 Female M14 x 2 Male, 1" Length 
Insize 2187-288, ADJUSTABLE SNAP GAGE, 10.83-11.34″, 6928640314704
$1,173.44
Used as Go/No-Go gage by setting upper and lower limits.
Flatness of anvil: 59_in.
Parallelism between tips and anvil: range 0-1.26″: 118_in,
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