Rectangular aluminum profile 520 g/m smooth surface, anodized.
2 vials: luminous horizontal with magnifying glass + vertical.
Maximum tolerance: standard position 0.5mm/m=0.029º inverted position 1.0mm= 0.057º
2 vials: luminous horizontal with magnifying glass + vertical.
Maximum tolerance: standard position 0.5mm/m=0.029º inverted position 1.0mm= 0.057º