The 737 Dos Pure Hunter Duck Call is a high-end call allowing you to turn the heads of waterfowl and callers alike. The top performing duck call with a double-reed design and forgiving nature, is professionally tuned and custom-cut for maximum performance and reliability, and the hand-sanded tone board adds to the quality cutting power. An acrylic barrel and mouthpiece ensure durability and won't swell, making it easy to blow and operate for beginners or experienced duck callers. The versatile design delivers loud ringing hails on the top end and a subtle, ducky bottom end for a realistic, effective sound. With the 737 Dos Pure Hunter Duck Call, you can be sure you're getting the best performance.