Insize 4907-90, SHORT LEVEL, 3.5″, 6928640324987

Sensitivity .0012in/ft (=0.0057?)
No need to set zero before use.
Suitable for small spaces like crankshaft.
Longitudinal and transverse V-grooves on bottom for shafts (shafts diameter .76~4.56″).
With transverse vial.