This alto trombone mouthpiece is perfect for solos and orchestral repertoire from the late Classical and early Romantic era like Beethoven, Mozart, and Albrechtsburger. With effortless but expressive articulation similar in quality to the oboe, this willproduce a sound that floats easily above the low brass in any tessitura. - the manufacturer
• 25.5mm (1.004 inch) cup diameter • 0.226 inch throat • Light artist blank • Medium depth cup • Silver plated