Zink utilizes state of the art injection molded technology to create one of the most consistent and effective pot style turkey calls on the market. The Thunder Ridge series features a revolutionary recessed striker conditioner and Zink's patented EZ Gripper ring for a sure grip while wearing gloves. The Slate surface produces those super realistic yelps and clucks that drive those gobblers crazy. Included with every Thunder Ridge call is a 2-piece hardwood striker and a copy of Zink's "Friction Calling Basics" DVD.Specifications and Features: Call Type: Slate Material: Slate Species: Turkey