EXCLUSIVE! FEATHER-CRAFT “SHOCK GUM” SECTIONS are approximately 6” long with loops in each end. They are highly elastic, THEY STRETCH BUT WON’T BREAK. Loop-connect between fly line and leader. Adds a pound or more “test” to your tippet! Save your tippet on the hit, and when fighting and landing fish on light tippets. You don’t even know it's there when casting. Last for years. 2-PAK