Hunters Specialties Super Blue Double Reed Elk Diaphragm Calls. It produces a complete range of elk sounds from cow calls to mid- to long-range bugles without ever intimidating smaller bulls. Reliable realistic and hands free it features durable Infinity Latex which absorbs significantly less moisture for long-lasting performance. If youre going to use diaphragms to call elk use the ones designed by the man who revolutionized the art of calling elk. Specifications for Hunters Specialties Super Blue Double Reed Elk Diaphragm Call: Manufacturer: Hunters Specialties Color: Blue Fabric/Material: Infinity Latex Species: Cow Country of Origin: USA Package Contents: Hunters Specialties Wayne Carlton's Super Blue 70001 The Hunter's Specialties Wayne Carlton's Super Blue 70001 is a quality addition to the Hunters Specialties lineup. For more great deals on Game calls on sale and available for your next hunting trip by Hunters Specialties please browse our Hunters Specialties Hunting Gear page. Hunters Specialties HS-WCC-70001: Super Blue Double Reed Elk Diaphragm Calls