handy, robust die-cast aluminum profile with a narrow and slanted shape, easy to clean, dirt can be removed again thanks to the electrostatic powder coating, with a precisely milled measuring surface, no discoloration on surfaces, e.g. on exposed brickwork, STABILA installation technology ensures long-term precision, measuring accuracy in Normal position ± 0.5 mmm, in reverse position ± 0.75 mmm, particularly suitable for craftsmen who subject the tool to high stress, for example during bricklaying work