This is a Backdrop support system stand ideal for canvas, muslin or paper backdrops in photography studio video shooting. And its tube diameter:1.4" thick.
The width of cross bar is 12'/3.6M, and the height of backdrop stands is adjustable from 3.33'/100cm to 10'/300cm.
The backdrop stands has 3 segments, which use quick single action locks, providing fast precision height adjustment.
Easy to set up and store, the stands are light weight to carry.
It also comes with a portable carrying bag, which helps you better carry and transport.