Available in a wide range of densities, the 10&'; Extra Strong Airflo Salmon/Steelhead provide an arsenal of options to the Salmon and Steelhead angler - on an extra strong 40lb core! Need to wake bombers? We gotcha covered. Time to dredge the deep unknown? No worries. We can help with that, too. These 10&'; extra string leaders feature a 40lb core as standard and come in an essential range of densities to present your flies effectively.Industry leading welded loops, wont let you down.