Depth mike

   I scored a Mitutoyo unit a while back at a yard sale . It only had one rod , 0-1" and I wanted more ... so I bought some on eBay . Thing is they must be for a different model micrometer , they're all 5/8" too long . And not 1-2 , 2-3 , etc . So I was thinking that I can cut them off to measure correctly in my unit . This will give me 0- 5" if I cut them to the appropriate lengths . It looks like I won't have to be absolutely on the mark since there is a calibration adjustment on each rod . I'm thinking that my Dremel in the toolpost clamp and a cutoff wheel , then a light polish with a fine grinding wheel also using the dremel . I have 123 blocks that I can set up to calibrate - maybe not as precise as a metrology lab , but I think close enough for what I do .
   Does this sound doable , and any suggestions ?
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Snag
  It's great to be straight !