Okuma's new Cavalla 2-Speed Lever Drag Reel reels feature a one-piece 6061-T6 machined aluminum frame and left side plate construction, carbonite drag system with Cal drag grease and 17- stainless steel main gears and sprocket. 4. Okuma's machined rigid frame construction incorporates a one-piece fully machined aluminum frame. These rigid aluminum bar frames are the ultimate in precision alignment and tolerances with greater pressure and torque than any other material used in our industry for frame materials. 6061-T6 aluminum frame and side plates. 17-4 stainless steel main and pinion gears. Carbonite Resistance System with Cal. Cold forged aluminum spool, type II anodized, machined. CRC: corrosion resistant coating process. 4 BB corrosion resistant stainless steel bearings. Ergo Grip knob with anodized aluminum arm. Silent recovery system for smooth running. On / Off lure clicker for all lever drag models.