Columns with extensible tape allow the creation of any type of path or barrier to keep clients waiting or direct their flow, in public and private organizations, cinemas and theatres, banks, supermarkets, hypermarkets, hospitals etc. No installation in needed and the designated areas can be moved very easily; for this reason they are a very simple boundary system. They are particularly suitable to provide safety on the workplace; by defining temporarily areas which are not accessible to the public due to work in progress or emergencies, even outdoors.