3M 33445, Scotch-Mount Indoor Double-Sided Mounting Tape 110H-DC, 1/2 in x 80 in, 7100217213 
Insize 6884-E40, CALIPER/HEIGHT GAGE CHECKER, 0-40″, 6928640358890
$9,469.70
To check calipers and height gages.
Constructed with steel gage blocks.
Size: 0-40″
Accuracy: +/- 300?in.
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