C.E. Smith 5' Bunk Board Guide-On [27600]5' Bunk Board Guide On Product Description Carpeted bunkboards provide proper center loading even in wind or side current conditions. 1 1 2" square pre galvanized uprights, angled out at 75 2" x 4" x 60" boards tilt to hug the hull and are covered with high grade marine carpet Boards are untreated Southern yellow pine 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