Dynabrade 11486 Dynabelter Accu-Grinder Abrasive Belt Tool, Heavy-Duty 
Insize 2187-188, ADJUSTABLE SNAP GAGE, 6.89-7.40″, 6928640314629
$687.12
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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