320mm diameter base 51mm pole, with A4 landscape sign holder stainless steel, silver ... stand, message board, crowd control barrier, advertising board LG-12-CH 1 frame size: A5, A4, A3, B4, B5 portrait or ... 63mm, stainless steel or plastic for choice4 base: 320mm diameter, flat, also can be 360mm base, flat or cone5 2 pcs of ...