The square tower kit can be used in both opened and locked position. Each position provides wide usage and available space. Consisting of 8 whole boards, square tower kit generates at least 2 m³ interior volumes and it only occupies 1,2m² space on the floor. By the time supplying a space for 400 pieces tool, optionally it also has 4 height adjustable racks in lockable compartment.The tower body can be fixed both ground and ceiling against the risk of overturn. With advantage of adjustable legs it can be adapted to the rough grounds.
Quadrangular tower system components can also be used exactly in other types of furniture.