Propulsion Line Management System: Propulsion Spool Lip, Power Roller III, S-Arm Cam. Redesigned Bail Trip (500 size only). Varispeed Oscillation (slow oscillation on 500 size). 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. Machined Aluminum Handle (on 500 size only). Ported Handle Shank (except 500 size). Rubber Handle Grips. Maintenance Port (500 size only). Fluidrive II. Dyna-Balance. Super Stopper II. Repairable Clicker. Line Capacity: 8/240, 10/280, 12/160