Power handle. 3+1 ball bearings. Gear ratio 5.2:1 Max drag 3kg Weight 180gr New rotary flat oscillation system. V-shaped spool. All screws and main shaft are made of high stainless steel and effective avoiding corrosive by sea. New design of spool's margin makes line sliding smoothly, and target farer and more accurate. Thread bail arm made by stainless steel keeps no gap and intensity.