DC Cargo Mall Cargo Bar Load Lock Tie-Down Suctioning Rubber Foot Replacement Pad &ndash; Adjustable Mounting Replacement 2" x 4" rubber foot end suction pad for trailer tie-down cargo bar load lock beam ends Made out of grey and black synthetic rubber Bolt on to the ends of jacking and ratcheting cargo load bars, adjustable Recommended mounting hardware is a 1 3/4" long zinc bolt with 1/4" diameter and 1/4" nylon lock nut - not included We guarantee your complete satisfaction with a total money back guarantee