Black soft wire (SMN) is made from matte hard wire, which is subjected to the process of heat treatment, annealing. The soft black wire has a wide range of uses, being intended for the construction industry for binding the reinforcing and fixing elements of the formwork or for various other ties, in the agricultural field (especially in the cultivation of vines and in fruit growing), in households ( for fixing and strengthening the fence nets), for weaving and braiding, when making simple fences, tied between poles or fence frames.