An Ultra Hard Alloy tippet material that combines phenomenal abrasion resistance with stiffness to make it the perfect tough saltwater tippet material. Ideal for casting the largest of flies and for casting in the toughest of winds. Easiest of all hard tippet materials to knot. 6 lb. (2.7 kg) - 30 lb. (13.6 kg), spools of 30 yd. (27.4 m).