RIOs traditional Dacron braided backing features high strength and low stretch and is unsurpassed in quality. A good compromise between thinness and the ability to make blind splice loops. Its easier to knot than other brands that are very thin but have too tight a weave for a blind splice loop. 30lb Breaking Weight 5000Yard Spools in an array of colours. A Good compromise between thinness and the ability to make blind splice loops. Easier to knot than other brands that are very thin but have too tight a weave for a blind splice loop.