The name says it all - where there"s smoke, there"s fire. The diaphragm turkey call is the most popular type of turkey call due to its realism and hands-free operation. Knight and Hale"s Smoke"n Fire turkey diaphragm, is especially accurate thanks to a wide front and V cutter-style cut. It produces a raspy, realistic sound. This turkey call is also made with custom-blended The name says it all - where there"s smoke, there"s fire. The diaphragm turkey call is the most popular type of turkey call due to its realism and hands-free operation. Knight and Hale"s Smoke"n Fire turkey diaphragm, is especially accurate thanks to a wide front and V cutter-style cut. It produces a raspy, realistic sound. This turkey call is also made with custom-blended latex for increased water resistance, which helps it sound truer, longer. Included in the Smoke-N-Fire Diaphragm Set: Two Diaphragm (.004 black special-cut top reed and two .03 red prophylactic reed underneath).