Exact item shown. Mitutoyo 177-139 Setting Ring Calibration Master Standard.

Size: 24.998 mm (25 mm nominal)

Precision reference standard manufactured by Mitutoyo and used in calibration laboratories, inspection departments, and metrology applications where known dimensional standard is required.

Marked:

New open box condition. Includes unopened factory protective packaging as shown. Not in the original Mitutoyo outer box. The protective package has not been opened.

Note to me: 3rd thin drawer

I normally ship within 24 hours of your order, but the post office does not always initiate tracking when I put the packages in the drop off box.  

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