Extra-stiff aluminium profile with reinforcing ribs for high stability and safe grip when working. Two vertical spirit levels allow for quick reading in any position. End caps with slip stopper ensure a firm fit of the spirit level when marking out. Shock-absorbing end caps made from a two-component material mix protect the profile during impacts. Removable end caps enable precise positioning and marking right into corners. The electrostatic powder coating makes it easy to clean. The spirit level features two precisely plane-milled measuring surfaces, preventing discolouration on surfaces such as exposed brickwork. It allows for precise measuring in all positions. Stabila built-in technology ensures long-term precision, with measuring accuracy in normal position of ± 0.5 mm/m and in folding position of ± 0.75 mm/m. Equipment includes one horizontal bubble, two vertical bubbles, and two milled measuring surfaces.