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 allaround usage and are available in over 100 configurations. The 14B4 rim with a unique cup for a soft tone. For rotary trumpets. Large backbore and throat. It has 16.84 mm rim inner diameter and 3.88 mm throat. Zemlja podrijetla : Kina