Scientific Anglers Fly Line Backing - Dacron - 250 yd. Spool

Extremely thin, with low friction.

Scientific Anglers Dacron Backing 30 lb / 250 yd – TW Outdoors

SCANGLER Backing Orange Fly Line - 250 yd

Scientific Anglers Specialty Colored Dacron Fly Line Backing - All Sizes - AvidMax

SA Dacron Backing, Backing

Backing doesn’t just connect your fly line to your reel - it also provides insurance for those drag-blistering runs of steelhead or bonefish.

Scientific Anglers Dacron Backing - White - 100 yd 20lb

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SA DACRON FLY BACKING(101)

How Much Backing Do You Need on a Fly Reel?

SA Fly Line Backing, Dacron, 30 lb Test, Orange - 100, 150, 200, 250, 300, 400, 600 up to 5000 yds (100 yds) : Sports & Outdoors

Best Fly Fishing Knots You Should Know - Fly Fisherman

Scientific Anglers Fly Line 250 yd Dacron Backing, White, 30#, Fishing Line - Canada