A pillar is a molded shape of natural stone, artificial stone or wood, which serves as a link in the various sections of a balustrade an important piece for completing a corner, building a parapet of a balcony or terrace, or stair railings. Artificial Stone, also called Mortar Stone, Cultured Stone or rebuilt stone, is an alternative to natural stone. It is practically a special type of mortar who’s texture and colour perfectly imitates natural stone. Composed of washed sand, silica, marble of different colours, cement, water (for the set) and special additives (plasticizers, fluidifiers, etc.) to improve the aesthetic and resistance qualities.