Sturdy frame of high quality special casting; hammer finish. 3 sides Vee ground, 1 side flat. One longitudinal and one transverse vial each of glass. The sensitivity (scale value) of the longitudinal vial is specified on the square.
Thermal insulation over the entire body protects against the effects of the heat of hands or breath. Recess in the body permits a side view of the vial.
For aligning horizontal and vertical faces, shafts etc. and for accurate alignment at a 90° angle.
1 = with very high sensitivity longitudinal vial 0.02 mm/m.
2 = with high sensitivity longitudinal vial 0.1 mm/m.
Magnetic version available on request.