1, size specifications: 60mm * 80mm, wall thickness of 3mm, length 1-6 meters 2, structural design description: section for the "workers" 3, the material for the high-strength aluminum alloy (6061-T6) drawn profiles, according to the needs of the field stitch length.With a simple shape, light weight, load-bearing capacity and so on 4, strong function, can be used as a fixed track, can also be used for sliding track 5, cross-section of the "work" font, which can effectively solve the use of "speed" phenomenon 6, applicable to all kinds of small and medium-sized news studio, photography room and other places