3M 11137, Roloc Disc 361F, 50 YF-weight, TR, 1-1/2 in, Die R150S, 7000045094 
Insize 4906-300, FRAME LEVEL, 12_12″, 6928640360763
$2,302.76
Sensitivity .0024in/ft (=0.001?)
No need to set zero before use.
Three V-grooves for shafts (shafts diameter .76~4.56″).
With longitudinal vial.
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