"Protect cables while making it easy for people and vehicles to maneuver over them at construction sites, studios, public events, and more using Yellow Jacket heavy-duty cable ramps. Constructed from all-weather polyurethane, these durable cable protectors support up to 15,980 lbs per axle, and they can be used effectively indoors or outside. Each cord cover features deep channels and a reinforced, hinged lid that make it easy to manage five cables up to 3.75"" in diameter for the safest protection from vehicle and pedestrian traffic. The ends of each cable protector have built-in Dog Bone connectors that allow you to attach multiple units to cover any cable length. All Checkers cable ramps and cable protectors are proudly manufactured in America."