4 inch fly. New Homemade Skirting Silicone Mylar System. GRC Trolling Flies have been used across the Great Lakes region. Ideal for targeting salmon, this fly is outfitted with 32 inches of 50 pound test fluorocarbon line and Mustad Size 1 Triple Grip Hook And Gamakatsu 4/0 Octopus Hook. Coming in a variety of custom colours with durable synthetic mylar , The GRC Trolling Fly is guaranteed to draw in fish both near and far. 50 lb fluorocarbon . Tandem style with a rattle action Qty. per Pack: Made in the U.S.A