Patented On/Off auto trip bait feeding system. Precision dual force drag system. Multi-disc, Japanese-oiled felt drag washers. 4 HPB stainless steel shielded ball bearings. 1 Quick-set anti-reverse roller bearing. Precision machine cut brass pinion gear. CRC: Corrosion Resistant Coating process. HDGII: Corrosion resistant, High density gearing. Light weight, corrosion resistant graphite body and rotor. EOS: Patented Elliptical Oscillation System. Machined aluminum, 2-tone anodized spool. Rigid, forged aluminum handle design. Ergo grip handle knob on all sizes. Hydro block water tight drag seal. Heavy duty, solid aluminum, clear anodized bail wire. RESII: Computer balanced rotor equalizing system. New thinner body design for reduced fatigue CD-40a and 55a. 4.5:1 Gear Ratio 65a and 80a 4.8:1 Gear Ratio. Coronado bait-feeder reels are backed by a 1-year warranty