These are made at FTD in 12 beautiful color combinations of the Northern Flash ULTRA. The Ultra Flash brushes are approx. 14" long and use 100% 8" ULTRA Northern Flash tinsel in various color combos. A pure flash brush that makes a 6" completed fly. Fibers come out 4" from either side from the center wire core. Perfect for Northern Pike and Musky flies as well as for bass and trout patterns.