Masonry rope — length 50 m , a construction rope produced in Iran. This thread is used during stone and concrete work, for alignment of walls, columns and other structural elements, as well as for marking and measuring. It increases the accuracy of work in the installation process, reduces material wastage and simplifies assembly work. It can be easily applied in the construction field, masonry work, repair and restoration processes, as well as garden, yard and outdoor work. Due to its length, it is suitable for wide areas and complies with the quality standards set by the manufacturer. The size of the product and the material of its manufacture (for example, polypropylene or kapron) give it strength and long-term use. When working with this thread, alignment errors are reduced, and as a result, the speed and effect of construction work increases.