Consistent Crystal Friction Call with Wide Sound RangeThe Zink Thunder Ridge Turkey Call Crystal is crafted with injection molding technology for dependable consistency in every call and note. It delivers strong sound range from distance to close range and includes a two piece hardwood striker a conditioning pad an E-Z Gripper Ring and a built in striker conditioning pocket. Crystal friction call design Built with injection molding technology Wide range of sound Includes hardwood striker Built in conditioning pocket