Trumpet mouthpiece - produced using the most advanced computer design and manufacturing technology. Standard Series mouthpieces feature unmatched precision, smooth attack, secure control, and easy playability. They have the ideal weight for all-around usage and are available in over 100 configurations. Relatively small inner rim diameter, but still flexible. Perfect for piccolo or lead trumpet. It has 16.24 mm rim inner diameter and 3.65 mm throat.