river peak FLY LINE WF 4 S #4 Weight Forward Sinking TYPE3 100ft(30.5m) Fly fishing line Type:WF-4S TYPE3 (Weight forward #4 sinking TYPE3) Length:100 FT (about 30.5 m) Core:Braided (Dacron) Coating:PVC Please refer to Photo 3 for detailed specifications. This is a brand of Japan called river peak.