Vincent Bach mouthpieces are the best available in the world; designed to meet every conceivable playing need. The best professional artists choose Bach mouthpieces for their volume and excellent intonation, ease of response in the high and low register, rich, uniform timbre throughout the range, and resistance calculated to increase the player's endurance.
The 6-1/2 AL mouthpiece is the standard size and shape for trombone players. It is also used for many baritones and euphoniums.
Cup Depth: Medium Deep
Cup Diameter: 25.4 mm
Rim Shape: Medium Wide
Shank Style: Small