A-RB Bearings (Anti-Rust Bearings) Topless Design (8II, 10II, 12II, 16II only) Reduced Profile Top Crossbar (20II, 30II, 50IILRS only) High Speed Gear Ratios Oversized Gears for incredible amounts of fish-moving torque) Diecast Aluminum Frame Oversized Handle Shank Twin Pawl Anti-Reverse Lightweight Graphite Sideplates with Aluminum Braces Ergonomic Power Handle Clicker Harness Lugs (20II, 30II and 50IILRS) Ratcheting Drag Lever Metal Series Rod Clamp Included Approved for use in Saltwater Rated for use with Mono, Fluorocarbon and PowerPro lines