Super strong and incredibly versatile, this RIO Powerflex Tippet is truly amazing! Sometimes called double-strength nylon, Powerflex is made from a high-tenacity copolymer that offers the perfect combination of elongation and suppleness. Ideal for a nearly every species, this abrasion-resistant tippet's light gray color provides excellent camouflage in any sub-aquatic environment. Dispensed from RIO's patented Tippetmaster spool with patented restraint design for easy tippet withdrawal. 30 yards. High-tenacity copolymer Superb knot strength, abrasion resistance, stretch, and suppleness Light gray color blends visually with almost any aquatic background X Diameter Strength 7X 0.004 2.4 lb. 6X 0.005 3.4 lb. 5X 0.006 5 lb. 4X 0.007 6.4 lb. 3X 0.008 8.2 lb. 2X 0.009 10 lb. 1X 0.010 13 lb. 0X 0.011 15 lb.