The drop-overs do not protect from abrasion from below, so should be used only on a flat surface.
325", GD3-DO-B Justrite 3-Channel Drop-Over Cable Protector, General Purpose, Protects up to Dia.325", GD3-DO-B Easy to store when not in use, the drop over hose protector and cable covers are compatible with all standard Guard Dog 5-channel models, as well as other cable protectors with Dog Bone connectors.With two extra-wide channels, this system can accommodate various quantities and sizes of lines up to 1.