A "newly designed recoil guide" that is fully compatible with ultra-fine PE is added to the front fall prevention device for the harmonic wing! !! Made of "A2017" super-hardness duralumin with hardness comparable to steel. The Varivas variable socket is equipped with a "harmonic wing (PAT.P)" that allows the angle to be adjusted steplessly and prevents the reel from tipping forward when the fish is wound up with an electric reel. Accessories: Hex wrench.