3M 28713 ROLOC DISC PAD TR, HARD 4 IN 5/8-11 INTERNAL, 7010298961 
Standard Abrasives 269201, Cross Buff Mandrel, 4 in x 1/4 in Shank x 1/4"-20F, 7010368742 
3M 45098, Roloc Disc Pad TR, Soft 1-1/2 in 1/4-20 Internal, 7000045277 
Insize 6884-E24, CALIPER/HEIGHT GAGE CHECKER, 0-24″, 6928640358883
$4,422.36
To check calipers and height gages.
Constructed with steel gage blocks.
Size: 0-24″
Accuracy: +/- 300?in.
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