Fishient / H2O Just Add Water Frenzy Fly Fibre Brush- These brushes incorporate our original Frenzy Fly Fibre, a finely cut synthetic fibre, perfectly blended with a subtle flash. There are so many advantages of tying with brushes and the Frenzy Fly Brushes take this to a new level with an awesome color range. Use different sizes on articulated flies to create a baitfish profile. Trims easily to a tapered shape. 2 pieces per pack, 12 inch each length.