3M 93556, Double Coated Tape GPT-020F, Transparent, Level Wound, 6 mm x 5000 m, 7100243948 
Insize 4906-B300, BLOCK LEVEL, 12×12″, 6928640378850
$1,962.72
Sensitivity .0012in/ft (=0.0057?)
No need to set zero before use
Three V-grooves for shafts (shafts diameter .76~4.56″)
With longitudinal vial
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