With the Propulsion Line Management System, A-RB bearings and Fluidrive II, the versatile Solstace reel has unique performance features to fit your style. Additional features for the Solstace FI include: Propulsion Line Management System: Propulsion Spool Lip, Power Roller II, S-Arm Cam, Varispeed Oscillation, Shielded Stainless Steel Ball Bearings, Lightweight Graphite Frame, Sideplate & Rotor, Cold Forged Aluminum Spool, S Concept: S-Guard, S-Arm Cam, Ported Handle Shank, Rubber Handle Grips, Fluidrive II, Dyna-Balance, Super Stopper II, and a Repairable Clicker. Approved for use in Saltwater and rated for use with mono, Fluorocarbon, and PowerPro lines.