3M 18880, Adhesive Transfer Tape 468MP, Clear, 12 in x 60 yd, 5 mil, 7000115503 
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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Insize 4809, U.S. STAND SHEET METAL GAGE, 0-36(.3125~.0070″), 6928640330162
$35.18