Sharpe's Of Aberdeen Aquarex Gel Spun (PE) Micro Backing Line - Fly Fishing Line

RIO Gel Spun Fly Line Backing - RIO Official Dealer

Scientific Anglers Flyline Amplitude Smooth 7 Wt Bonefish + Used Once + Leaders

Scientific Anglers XTS Gel Spun Backing

Cortland Gel Spun Fly Line Backing - 300 yds

SCIENTIFIC ANGLERS 50 LB YELLOW 250 YD XTS GEL SPUN BACKING - FREE US SHIPPING

SCIENTIFIC ANGLERS 50 LB BLUE 250 YD XTS GEL SPUN BACKING - FREE US SHIPPING

SCIENTIFIC ANGLERS 30 LB BLUE 250 YD XTS GEL SPUN BACKING - FREE US SHIPPING