The LP691 4-section cross bar has keyed connections to insure you both set it up correctly and securely and can be used at 6',9',12'.

Heavy duty enough to support rolls of seamless paper 12' in width, large canvases or muslins.For use with any standard 5/8' top stand.

Weight (lbs.): 3.40
Width: 1.125"
Depth: 1.125"
Collapsed: A,B,C: 39.625" and D: 36"
Min. Height: 6'
Max. Height: 12'