This highway board set has die cast chromed boards with rubber inlay and chrome mounting arms. The mounting arm has 7 possible positions for adjustment to meet the riders comfort and will work on any 1 inch bar. They can fold up to move them out of the way when not in use. Each set includes chrome mounting brackets to attach to the horizontal part of the case guards, chrome and rubber boards and chrome 3 piece clamps. Fit the GL1800 or bike with a 1 inch bar. Pair.