A superior fluorocarbon fishing line from world leaders in fluorocarbon lines & leaders. This Seaguar Leader Material has tested up to 90% stronger than Berkley Vanish & offers ultra-low visibility & exceptional wet knot strength. Available in 25yd spools of 20lb test strength. Genuine Searguar fluorocarbon leader material. Seaguar are the inventors & world leaders in fluorocarbon fishing lines & this leader line demonstrates that quality. The main features of this leader are: Ultra low underwater visibility Superior abrasion resistance Exceptional wet knot strength