The Brew City Live Sonar Pole Mount Riser #2000 is a 5-inch riser designed to add height to your CT360 base (part #1005, not included), with top and bottom plates secured by 10-32 screws and nyloc bolts for easy removal and installation. Part #: 2000 Mount CT360 base #1005 to the riser for added height Easily removable top and bottom plates for installation Can be used with 360-1185 (60' pole) or 360-7285 (72' pole) on deck in bow or to get unit above gunnel