The Spirex RG features the Propulsion Line Management System, QuickFire II One Handed Casting System and Varispeed Oscillation. Additional features include: Propulsion Line Management System, Propulsion Spool Lip, Power Roller III, S-Arm Cam, QuickFire II One-Handed Casting System, Varispeed Oscillation, Shielded Stainless Steel Ball Bearings, Lightweight Graphite Frame, Sideplate & Rotor, Cold Forged Aluminum Spool, S Concept: S-Rotor (500 size only), S-Guard, S-Arm Cam, Ported Handle Shank, Rubber Handle Grips, Fightin" Drag II, Fluidrive II, and Dyna-Balance. Approved for use in Saltwater and rated for use with mono, Fluorocarbon and PowerPro lines.