The HS Strut Fearsome 4 diaphragm combo pack includes four Premium Flex diaphragm turkey calls that offer a variety of reed and cutt variations to change things up in the field. The best of the best in one kit. Premium Flex diaphragms are precision manufactured to be the same every time. This means every HS Strut Premium Flex Diaphragm sounds the way it should sound, every time.Package IncludesDouble DeadCutt'n 2.5Double DPower V