Extendable spirit level with stable 3-chamber aluminium rectangular profile and fixed spacers to even out irregularities on objects.

Additional slip-on spacers (height: 4.2 cm) for accurate measuring, even over laths.

Extremely long measuring surface thanks to a unique telescopic system.

Strong eccentric clamps – for lasting accuracy.

Finger-grip openings for a secure hold when working.

Profile with reinforcing ribs for high stability.

Continuous bridge over the horizontal vial – increases the stability of the profile.

Plastic end caps protect the profile against impact.

Telescopic support with a scale in cm/in.

STABILA installation technology ensures long-term accuracy – measuring accuracy in normal position (retracted) is ± 0.5 mm/m and ± 0.75 mm/m in reverse position (retracted).

Equipment: 1 horizontal vial, 2 vertical vials, 2 measuring surfaces, 2 finger-grip openings, telescopic support, slip-on spacers.