3M 05740, Hookit Hand Block, 2-3/4 in x 5 in, 7000045715 
Insize 2395-400, BORE GAGE SETTER, .7-16″, 6928640310027
$1,521.53
Used together with gage blocks to set bore gages.
Range .7 to 16″
For setting bore gages to a desired measurement
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