Yamaha BL-59L Bass Trombone Large Shank Standard Series Mouthpiece - Made In Japan

Yamaha BL-59L Bass Trombone Mouthpiece BL59L - Large Shank

Rim Inner Diameter (mm) : 27.22

Throat (mm) : 7.25

Relatively thin rim. Rich sound even on pedal tones. Voluminous cup for solid lows and plenty of power.