Primos Imperial Plate Double Call Primos has been trusted by individuals for decades. Products that are made of quality material and designed to withstand the toughest environments. Trust the Brand that others in the field use and don't settle for less. Quality materials used for all primos products 100 percent designed and tested for the toughest situations and environments Two thin latex reeds Angle of the sound plate is set at 30 degrees Large -InchV-Inch cut in second reed produces cow and herd bull sounds Also -InchV-Inch cut adds raspy sounds of the herd bull-Feets growl, bugle and chuckle