One of 100mm square extrusions, its overall dimension is 100mm x 100mm, closed on three sides and open on one side. When used with M608, they can form a 100mm square column closed on four sides. It also can be used together with acrylic panel and lights to build luminous booths, if insert acrylic panel, suggested 94mm width panel. The material of M605 is 6063 aluminum. The wall thickness of profile is 2.1mm, it has three system grooves, the width of each groove is 4.3mm, the depth of groove is 7.5mm, and the weight per meter is 2.517kg. The product can be processed according to customer requirements, and can be reused for many times. A variety of surface treatment methods are available.