Description Product Description To realize the tone with a bell ... rich and spread, adopted a gold brass bell of one up. Diameter 123mm. The inner diameter of the bore size ... tube has become a standard medium-large. The introduction of the latest processing method by accessory mouthpiece ... computer, it comes with a mouthpiece TR14B4 of high precision. Silver plating specification ... is represented characteristics of the instrument itself directly, finer nuances silver plated finish put out. Soft and bright sound is attractive. Case ... included case is TRC-850.