HS Strut Expert Edge Diaphragms, 3pc: * Includes the E-Z Rasp, Raspy Old Hen and Derringer Premium Flex diaphragm calls made with Infinity Latex * Includes instructional CD with tips from the pros * Patented precision construction featuring Premium Flex frame, computer stretched Infinity Latex and comfortable, moisture resistant yellow tape * Realistic and easy to blow * A deadly arsenal for creating versatile and authentic turkey sounds * Each diaphragm is laser marked to quickly identify the various diaphragms in your arsenal