3M 45098, Roloc Disc Pad TR, Soft 1-1/2 in 1/4-20 Internal, 7000045277 
3M 5677, DISC PAD HOLDER 914, 4 IN X 1/8 IN X 3/8 IN M14-2.0 INTERNAL, 7010299278 
Insize 6884-E12, CALIPER/HEIGHT GAGE CHECKER, 0-12″, 6928640358876
$2,753.18
To check calipers and height gages.
Constructed with steel gage blocks.
Size: 0-12″
Accuracy: +/- 200?in.
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