10 Bearing System - Corrosion resistant stainless steel ball bearings. Hybrid Body - Aluminum body with a graphite body cover, lightweight strength. Aluminum Spool - Lightweight, durable, spool design. Sealed Carbon Drag - Sealed system, always lubricated, always smooth. Aluminum Handle - Aircraft grade aluminum, extreme durability. Soft Touch Knob - Soft touch rubber knob provides excellent grip and comfort. Aluminum Bail - Thick aluminum bail wire design, rigid to prevent mis-shaping.