Powerback RFD4 Rubber Duct Protectors are ideal for lightweight vehicles, carts and pedestrian traffic in public, commercial and industrial areas. These protectors are designed with a large channel size to accommodate multiple cables and some power plug connectors located in walkways or work areas. They are non-metallic, flexible rubber protectors that allow you to organize portable cords and cables while reducing trip hazards. Protector is supplied unslit but can be slit on the bottom for easy cord insertion.