The Power Calls Surge Canada Goose call is designed to give the caller every bit of functionality expected in a short reed, and then some. Whether its volume, range or speed the caller desires, this call delivers. This call comes with Power Calls molded broken-in Lightning guts that provide a realistic tone from top to bottom. FeaturesStructure: Polycarbonate/Acrylic BlendColoration: Stealth BlackCore Guts: Polystyrene Worn-In ToneboardReed: Mylar PreciseFit ReedPackaging: Clamshell