3M 45094, Roloc Disc Pad TR, Soft 2 in 1/4-20 Internal, 7000045278 
3M 64279, Cubitron II Stikit Film Disc 775L, 180+, 5 in x NH, Linered w/Tab, Die 500X, 7100075690, 250 per case 
Insize 2187-63, ADJUSTABLE SNAP GAGE, 2.24-2.48″, 6928640314452
$190.63
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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