SF Fly Line Weight Forward Floating Line Welded Loop 100FT Weight forward design floating fly fishing line line weight 1 2 3 4 5 6 7 8 9 wt and 100ft long Special taper design and different core cover formulations make for a consistent, precise and accurate cast under any condition weight-forward line is helpful to long casts and better precision even in windy conditions (with loops) 5.Economic packaging,without Spools.