An ultra-hard, tough nylon tippet. Ideal for large flies and tough winds.
RIO's Hard Mono Saltwater tippet is a very stiff, super abrasion-resistant nylon tippet material. Ideal for casting the largest flies and in tough winds to get the very best turnover. It is available in "regular" sized spools and "guide" spools":
Hard Mono Saltwater Tippet - All Models