With sizes from 4000 all the way up to 10000 and high end technologies such as Propulsion and Waterproof Drag, the Shimano Socorro Reels have you covered in all big fish applications from inshore to offshore, surf to pier, kayak to boat and saltwater to freshwater. Features include: Propulsion Line Management System: Propulsion Spool Lip, Power Roller III, S-Arm Cam, Redesigned Bail Trip, Cold Forged Aluminum Spool, Lightweight Graphite Frame, Sideplate and Rotor, Repairable Clicker, 1+1 Shielded Stainless Steel Ball Bearings, Varispeed Oscillation, Super Stopper II, Dyna-Balance, Waterproof Drag, Approved for use in Saltwater, Rated for use with Mono, Fluorocarbon and PowerPro lines.