3M 08027, Marine Grade Silicone Sealant, White, 304 mL Cartridge, 7000120476, 12/Case 
Insize 2187-82, ADJUSTABLE SNAP GAGE, 2.99-3.23″, 6928640314483
$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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