Smooth aluminum rectangular profile. Two vertical vials allow for quick readings in any position. The coated measuring surface protects sensitive surfaces. Thanks to the smooth side surfaces and the electrostatic powder coating, it is easy to clean. Plastic end caps protect the profile from impacts. STABILA mounting technology ensures long-term precision - measurement accuracy in normal position ± 0.5 mm/m, in folded position ± 1.0 mm/m. Features: 1 horizontal bubble, 2 vertical bubbles, 1 coated measuring surface. Smooth aluminum profile - easy to clean. The coated measuring surface protects sensitive surfaces. Suitable for measurements in enveloping position. Two vertical bubbles for quick readings.