Rigid and sturdy foundation, speedy use quarter transform thumb locks to lift and decreased the crossbar/backdrops are easy and supply a positive lock with no slippage. The cross bar is durable and assembles swiftly without having tricky extension sections or small diameter tubing that can't keep the load of entire https://portablebackdropstand21975.wikijm.com/1612557/detailed_notes_on_pipe_and_drape