Special FeaturesAluminum rectangular profile with reinforcing ribs – for high stability and a secure grip during work. Integrated anti-slip stoppers ensure a firm grip when marking – the spirit level won't slip. STABILA installation technology ensures long-term accuracy – measurement accuracy in the normal position is ± 0.5 mm/m and ± 0.75 mm/m in the inverted position. STABILA high-quality vials for optimal readability – highly transparent, wear-resistant acrylic glass with precisely ground inner contours and fluorescent vial liquid. Spirit level with two measuring surfaces – accurate measurement in all positions. Coated measuring surfaces protect sensitive surfaces. Plastic end caps protect the profile from impacts. Easy to clean thanks to the electrostatic powder coating. Features: 1 horizontal vial, 1 vertical vial, 2 coated measuring surfaces. Technical dataMeasurement accuracy in normal position 0.50 mm/m Measurement accuracy in inverted position 0.75 mm/m Number of measuring surfaces 2 End caps Standard, anti-slip stopper