Yamaha Signature Series Allen Vizzutti Trumpet MouthpieceAllen Vizzutti is a world renowned trumpet virtuoso. Known for his effortless technique, versatility, and stunning range, he has performed with hundreds of groups spanning 40 countries. The Allen Vizzutti signature mouthpiece, like the player it was designed for, is at home in any genre. A semi shallow cup and smooth inner rim edge offers even response in all registers. Rim Inner Diameter: 16. 67 Rim Contour: Semi flat Rim Thickness: Semi thick Cup