A great all-around call that can deliver power and finesse in the blind, the Jolt Duck Call from Power Calls helps hunters create a full range of true mallard hen sound. Featuring a traditional J-frame design, this single-reed duck call combines a polycarbonate J-frame toneboard with a molded polycarbonate/acrylic body. Hand-tuned call offers a great bottom end for softer finesse calling without losing the horsepower to reach out to high ducks when you need to. Built in hold allows easy whines and squeals.Manufacturer model #: 21701. Power and finesse from a traditional duck call design Single-reed duck call with a traditional J-frame design Polycarbonate J-frame toneboard Delivers big sound when needed for high ducks Great bottom end for softer finesse calling Built in hold for easy whines and squeals Hand-tuned