Its overall dimension is 40mm x 80mm, one of the beam extrusions. It can be used as upright and beam of the stand, it also can be called as post or pillar. Its material is 6063 aluminum. The wall thickness of profile is 2.1mm, it has four system grooves, the width of each groove is 4.3mm, and the deepth of groove is 8mm. The weight per meter of M315 is 2.145kg, the maximum length that can be produced is 6 meters. The product can be processed according to customer requirements, and can be reused for many times. A variety of surface treatment methods are available.