Extra-stiff aluminum profile with reinforcement ribs for high stability and hand openings for optimal handling and a secure grip while working. Two vertical vials for quick reading in any position. Stabila quality vials for optimal readability - highly transparent, durable acrylic glass with precisely ground inner contours and fluorescent vial liquid. The Stabila installation technology ensures long-term precision - measuring accuracy in normal and inclined positions ± 0.5 mm/m, highly precise measurements in all positions. End caps with slip prevention ensure a firm fit of the level when marking out. Shock-absorbing end caps made from a two-component material mix protect the profile from impacts. Removable end caps allow for precise positioning and marking even in corners. Easy to clean thanks to the electrostatic powder coating. The features include 1 horizontal bubble, 2 vertical bubbles, 2 coated measuring surfaces, and 2 hand openings.