A universally applicable and useful helper for many jobs on the construction site, in the workshop, or in the household. Equipped with many useful details that allow for use far beyond the actual purpose as a ruler. It serves as a time-saving marking and indicating aid for exact, horizontal hanging of pictures, mirrors, pin boards, shelves, and cabinets. It is also suitable for marking multiple sockets and switches. The profile is provided with a perforation of 71 mm spacing and features two spirit levels (horizontal and vertical). It includes two scales measuring 0 - 75 cm and 0 - 37 cm to the right and left, respectively, along with movable marking aids. The robust aluminum construction includes folded cutting and marking edges, and a suspension eye allows for easy storage when not in use. It comes with a sturdy handle.