Guardian’s warning line transporter makes it easy to haul this portable passive system from jobsite to jobsite. The unit holds up to 9 stanchions, which makes up a complete 300’ system. The wheels make this system extremely easy to move about, and the lift ring allows it to be raised to the rooftop. This unit also includes a reel that holds 300’ of flag line, making it the ultimate solution for your portable warning line system.