Crafted using state-of-the-art injection-molded technology, Zink Calls' new Thunder Ridge Series Slate Call guarantees you'll find the same quality and consistency not only in every call, but in every note. Whether at 150 yards or 15 feet, this innovate slate call provides a fantastic range of sound, with one common denominator - it drives gobblers wild! The Thunder Ridge Series includes a two-piece hardwood striker and a slate-specific conditioning pad. It also sports the popular E-Z Gripper Ring and built-in striker conditioning pocket, as well as a copy of Zink's latest DVD production, Turkey University Vol. 2: "Friction Calling Basics."