Corrosion-resistant graphite body CFR : Cyclonic Flow Rotor 2 ball bearings + 1 roller bearing Quick-Set infinite anti-reverse system Aluminum 2 tone match spool Round metal line clip Regular graphite spare spool Rigid metal double handle, EVA knob Precision Elliptical Gearing System Machined cut brass pinion gear RESII: Computer-balanced rotor system Even Flow line roller Hi-speed gear ratio : 6,2:1