Folks, I posted in the general forum the same questions. Do any of you know if the Fold a Cover will go over a RDS transfer tank and allow me to use a combo tank and tool box ? My intentions are to keep the tank below the side rails of an 8' bed. Also, I know nothing about the Fold a Cover, is it able to be taken off ? Will it be more secure then a soft cover ? I know absolutely nothing about it so any nfo would be appreciated. Nabo, please excuse me for interupting your thread but maybe my questions are helpful to you too.