Built-in sure-grip handles on the Power Grip Adapter make electrical connections safer and easier. The dogbone-style adapter offers a safe, comfortable grip when connecting to the park power post. It also makes removal easier with less pulling and stress on the cord and plug. Handles are molded and made of heavy-duty polyvinyl plastic. 50 Amp Male to 30 Amp Female - 18" will allow you to plug your 30 Amp RV into a 50 Amp outlet. This can be handy if the 30 Amp outlet at our site is damaged, or in the rare case that your site does not offer a 30 Amp plug. Handles are made of heavy-duty polyvinyl plastic Makes electrical connections safer & easier. Creates less stress on cords | Camco Power Grip Adapter, 50A Male to 30A Female