Harmony RAM Tube Rod Jr. with Revolution Arm Extremely versatile tube mount can be used with most spinning or level-wind reels and right or left handed reels 1.5 inch RAM ball mount allows quick installation and release of tube and Revolution arm Revolution Ratchet system extension adapts for a wide range of fishing and reel styles 1.5 inch RAM composite ball mount on high strength composite base Includes hardware for mounting base to kayak deck, canoe gunwale or any other watercraft