Product Review: Hunters Specialties H.S. Strut Premium Flex Four Turkey Diaphragm Combo Hunters Specialties is a well-known brand in the hunting industry, and their products are known for their quality and durability. The H.S. Strut Premium Flex Four Turkey Diaphragm Combo is no exception to this standard. This call set includes four different diaphragms that can be used interchangeably depending on the type of hunting you're doing, as well as a strut system that allows for easy adjustments and stability while calling. One of the standout features of this call set is the premium materials used in its construction. The diaphragms are made from high-quality rubber, which provides excellent sound quality and durability. Additionally, the struts are made from a combination of aluminum and fiberglass, providing both strength and flexibility for easy adjustments. Another great feature is the ease of use of this call set. The diaphragms can be easily swapped out depending on the type of hunting you're doing, and the strut system allows for quick and easy adjustments to ensure stability while calling. This makes it a versatile option for hunters of all skill levels. Overall, I would highly recommend this call set to anyone looking for a high-quality, durable, and versatile option for their hunting needs.