The Zink Nothing But Green Duck Call is made from durable polycarbonate and features a single reed type for clear, precise calls. It includes a specialty insert with a Z-out, no-stick tone channel, ensuring consistent and reliable performance. With the same calling abilities and design as the original PH-1, it serves as an excellent introductory option for those new to duck calling.FeaturesMaterial: PolycarbonateReed type: SingleSpecialty insert: z-out, no stick ton channelSame calling abilities and design as the original PH-1Great introductory Option