Made of plastic materials, are necessary for the realization of the main structure of the buildings, both civil and industrial applications, from the ground up to the roof balcony. TOWER SHAPED SPACER FOR FORMWORK. Supply and installation of spacer for tower-shaped design allows the laying of the reinforcement cages. Made of thermoset plastic. Specific use in construction. It allows the installation of rebar, maintaining the correct distance for the “concrete cover”