Carpeted bunkboards provide proper center loading even in wind or side current conditions. 2” x 4” X 24″ boards tilt to hug the hull and are covered with high grade marine carpet. Height of 21” with adjustment out to 13″ from frame on each side. Can be mounted on top of frame for extra height. Complete with mounting hardware to fit frames up to 3” wide x 4-1/4” high.WARNING: This product can expose you to chemicals including ARSENIC ,CADMIUM which are known to the State of California to cause cancer or other reproductive harm, and BERYLLIUM,COBALT METAL POWDER,NICKEL (METALLIC) which are known to the State of California to cause cancer, and Chromium (hexavalent compounds),LEAD which are known to the State of California to cause cancer, birth defects or other reproductive harm. For more information go to P65Warnings.ca.gov.