(3) 2 1/2″ Diameter with AL-Bronze positioning collar (2) Bronze # SC1 3-step sleeves provide each reel station for concentric rotation with varying reel arbor hole sizes. Permanent retaining sleeve one end with removable track positioning sleeve at other end. Channel rail installed each side of top rail will guide reel to/from each position. Reel bar storage under deck – right side. Entire reel bar hot-dipped galvanized.