RIO HARD MONO SALTWATER TIPPET MATERIAL - Ultra Hard Alloy tippet material that combines phenomenal abrasion resistance with stiffness, ideal for casting the largest of flies and for casting in the toughest winds. Easiest of all hard tippet materials to knot. SIZES: 8, 10, 12, 16, 20, 25, 30-lb. 30-yd spl