Bach 32E Tuba/Sousaphone Mouthpiece, Silver-Plated, Small Size for Light Bass Horns, Diameter 29.5mm, MS Cup Depth, MW Rim, Powerful Sound

---------------------------------------------------------------------- This small mouthpiece is suitable for lightweight bass horn players or those with less power who desire a powerful sound. Diameter 29.5mm Cup depth: MS (slightly shallow) Rim thickness MW (medium)