The Zink Calls PH-2 Polycarb Duck Call is a double reed designed for hunters who love the tone of a single reed but want more control. It delivers an impressive range of pure, realistic duck sounds without the over blow squeak common to single reeds. Perfect for close-in calling or working shy ducks, the PH-2 Polycarb offers the same proven design and performance as the original PH-2. Double reed design Impressive range of pure duck sounds Eliminates over blow squeaks Ideal for close-in calling or shy ducks Same calling abilities and design as the original PH-2