Part of the H.S. Strut® University™ Series. The Combo Pack includes the Premium Flex™ Diaphragm 3-Pack, which has everything you need to start calling wild turkeys. Includes the Double D, Raspy Old Hen and E-Z Rasp Premium Flex™ diaphragm calls with Infinity Latex®, diaphragm call case and 30-minute instructional DVD and CD on how to use diaphragm calls. Comes with turkey track window decal.