Primos Hunting Sound Plate Series Imperial Plate Double Game Calls. The 30 angle of the Sound Plate the double-reed design and "V" cut in the bottom reed make the Imperial Plate Double perfect for reproducing cow and herd bull sounds. The "V" cut also adds to the raspy sounds of the herd bull's growl bugle and chuckle. Specifications for Primos Hunting Sound Plate Series Imperial Plate Double Game Call: Manufacturer: Primos Hunting Fabric/Material: Latex Species: Bull Cow Features of Primos Hunting Sound Plate Series Imperial Plate Double Game Call Two thin latex reeds with V cut in bottom reed Angle of the sound plate is set at 30 degrees Reproduces raspy cow and herd bull sounds Package Contents: Primos Hunting Sound Plate Series Imperial Plate Double Game Call The Primos Imperial Plate Elk Call 160 is a quality addition to the Primos Hunting lineup. For more great deals on Game calls on sale and available for your next hunting trip by Primos Hunting please browse our Primos Hunting Hunting Gear page. Primos Hunting 160: Sound Plate Series Imperial Plate Double Game Calls