Rigid and durable foundation, swift use quarter switch thumb locks to boost and decrease the crossbar/backdrops are effortless and provide a good lock without any slippage. The cross bar is sturdy and assembles quickly without tricky extension sections or small diameter tubing that can't maintain the burden of entire backdrops. https://cruzxekrw.life-wiki.com/1641445/not_known_factual_statements_about_pipe_and_drape_manufacturer