Rigid and sturdy base, quick use quarter flip thumb locks to raise and lower the crossbar/backdrops are easy and provide a optimistic lock with none slippage. The cross bar is sturdy and assembles speedily with no difficult extension sections or compact diameter tubing that can't maintain the load of total https://claytonpyels.salesmanwiki.com/9753008/the_5_second_trick_for_pipe_and_drape_manufacturer