... Greatest span Good Maximum loding capacity Outdoor circular exhibition stand billboards materialaluminum 6082/T6 modelslengthfrom 0.5m ... ,Brace tube:25*2mmusageconcert ,show, exhibition ,shoes fair, big cloth exhibition and any other outdoor and indoor show ... in concert ,show, exhibition, performance, advertisement, outdoor celeb ,press conferences, product fairs, exhibition halls display, and other ...