The Orvis Dacron Backing line is designed to prepare you for fast, strong fish. This braided Dacron backing offers consistent, uniform strength, making it reliable for a wide range of fishing scenarios. The 30-lb. test is ideal for targeting species like steelhead, salmon, bonefish, and stripers, while the 20-lb. test is perfect for trout, bass, and most freshwater fishing. This durable backing ensures you're ready for whatever challenge comes your way on the water.