3M 22408, Roloc Disc 361F, P100 YF-weight, TR, 1-1/2 in, Die R150S, 7000045101 
Insize 2187-89, ADJUSTABLE SNAP GAGE, 3.23-3.50″, 6928640314490
$222.68
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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