Scientific Anglers Dacron Backing - Filler Spools

Scientific Anglers Dacron Backing offers a thin diameter, high abrasion resistance, and dependable performance when a fish runs beyond the fly line.

• Extremely thin, with low friction
• High abrasion resistance
• Colorfast, with high visibility
• 20 lb diameter: 0.018 in.
• 30 lb diameter: 0.024 in.

Choose from 20 lb and 30 lb strengths in 100 yd and 250 yd filler spools.