Rectangularround visors (6, 8, 10 or 12arms), square (4, 8 or 12 arms) and(4, 6, 8 or 12 arms)in all sizes from 2.5m upto10m. Aluminum structure upto3 times stronger than conventional aluminum, with reinforcements and stainless steel screws for parasols upto4m; and completely in steel umbrellas 5m on,telescopic system that allows easily operate by one person, allowing open or close convenience at any time without effort. The system has a fixed structure and simple tensioning system with a lever and a hook, which makes when closed is higher and is above the height of the tables, so it can operate even with people sitting at the tables.