Standard Abrasives 707605, Mandrel, 2560043, 3 in x 1/4 in x 1/4-20 TM-4, 7000121779 
Insize 4905-500, BLOCK LEVEL, 20″, 6928640375545
$1,713.47
Sensitivity .00024in/ft (=0.001?)
No need to set zero before use.
V-groove on bottom for shafts (shafts diameter .76~4.56″).
With longitudinal vial.
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