A-RB (Anti-Rust Bearings), Lo-Mass Drilled Spool System, Aluminum Spool, Super Free (SF) (all except 300, 400, 401, 700), Variable Brake System (VBS), High Efficiency Gearing (HEG), Super Stopper with Assist Stopper, Dartainium Drag, Non-Disengaging Levelwind System (300, 400, 401, 700 only), Recessed Reel Foot (all except 700), Easy Access Sideplate, Manual Return Clutch Lever (700 only), Drilled Crossbar (GT only), Adjustable Handle Shank (700 only), CTE Clicker (300, 400, 401 and 700 only), Septon Handle Grips (300, 400, 401 and 700 only), Rubber Handle Grips (100GT, 101GT, 200GT, 200 and 201), Machined Aluminum Frame, Stamped Aluminum Handle Side Sideplate, Titanium Level Wind Insert, Rod Clamp Available on 700 Model, Platinum Service Plan, Metal Series (700 only), Approved for use in Saltwater, Rated for use with Mono, Fluorocarbon and PowerPro lines