Ultra Wire is a key ingredient in so many successful fly patterns. It is one of the most often used materials. Most everyone knows that Ultra Wire is the essential material needed for tying John Barr's famous Copper John nymph, but it can also be used several different ways. The original use for Ultra Wire is as a rib on a nymph. Gold Ultra Wire is ideal for Hares Ear nymphs or similar patterns. Black and Copper Ultra Wire are often chosen as a rib on stonefly nymphs. Ultra Wire is also great for tying Brassie Patterns.