Aluminium extrusion supports, Al6063 ally 60 mm diameter. Telescopic with a smooth lower part and the top part supports the signs with fastener guides. The guides system allows signs to be put on the same level every 90º. Solid aluminium signs with 3mm 1050 H24 alloy marked on one or both sides, clamped to the support guides by two aluminium extrusion pieces attaching the sign with nuts and bolts fixing it completely. A sign can be added or removed without having to dismantle the support or other signs.