A versatile and useful helper for many tasks on the construction site, in the workshop, or at home. Equipped with many practical features that allow for use far beyond its primary function as a ruler. It serves as a time-saving marking and display tool for accurately hanging pictures, mirrors, bulletin boards, shelves, and cabinets horizontally. It is also suitable for marking multiple sockets and switches. The profile is designed with perforations spaced 71 mm apart and includes two spirit levels (horizontal and vertical). It features two scales measuring from 0 to 75 cm and 0 to 37 cm on the right and left sides, as well as movable marking aids. The robust aluminum construction includes folded cutting and marking edges, and a hanging eye allows for easy storage when not in use. It comes with a sturdy handle.