STREAMLINE SHAFT ANODE ALUMINUM SHAFT SIZE: 2" DIA. LENGTH: 3" OUTSIDE DIA.: 3 1/4" WEIGHT: 1.12 LBS EASY SIZE VERIFICATION INSIDE AND OUTSIDE EASY INSTALLATION - DEEP SLOTTED S.S. MACHINE SCREWS FOR MAXIUMUM TORQUE INNOVATIVE O-RINGS KEEP SCREWS FROM FALLING OUT