With the strongest nylon tippet material ever made, Rio Powerflex Plus Tippet offers up to 20% more tensile strength than other nylon tippets. An advanced copolymer manufacturing process delivers the highest strength-to-diameter ratio, while maintaining superior knot strength and softness. Easy to handle and tie, with outstanding durability, Rio Powerflex Plus is ideal for dry flies, soft hackles, nymphs, indicator rigs, and streamers. 50-yd. spool. Strongest nylon tippet material available 20% more tensile strength than other nylon tippets Extremely high strength-to-diameter ratio Superior knot strength Soft and easy to tie Ideal for dry flies, soft hackles, nymphs, indicator rigs, and streamers 50-yard spool