| Model | mm | inches | Throat | Description | Shank |
| 40B | 22.51 | .886 | 15/64 | Extremely small inner rim diameter and shallow "B" cup. This mouthpiece, with its wide-rounded rim, works well for the trumpet player who doubles on trombone. | S |
| 40 | 22.53 | .887 | 15/64 | Since the cup diameter is small, the upper register is improved. In addition, the tone has considerable projection. It is excellent for the bass trumpet and valve trombone. | S |
| 42B | 22.99 | .921 | 15/64 | Contour profile – this mouthpiece is well suited for the small tenor trombone and lead/commercial playing. | S |
| 42 | 23.22 | .914 | 15/64 | Slightly larger diameter and deeper than the 42B, the 42 features a standard "C" cup. | S |
| 43A | 23.57 | .926 | 15/64 | Contour profile – this mouthpiece was designed for the lead trombone player desiring an easy high register. | S |
| 44E4 | 24.28 | .956 | 15/64 | Though a small cup diameter, this mouthpiece offers a very deep "E" cup and semi-flat #4 rim. | S L |
| 45B | 24.3 | .953 | 15/64 | Contour profile – designed for the lead trombone player with a larger cup volume than the 43A. | S |
| 45 | 24.38 | .960 | 15/64 | The semi-flat rim has a high point close to the center of the mouthpiece which allows for a great deal of flexibility. Ideally suited for the beginner trombone player. | S |
| 46 | 24.54 | .966 | 15/64 | Slightly larger than the 45, this is also a good beginner's mouthpiece. | S L |
| 46D | 24.76 | .975 | 15/64 | The cup diameter and volume is slightly larger than the 46, producing a full, resonant tone. Also recommended for the younger baritone/euphonium player. | S L |
| 47B | 24.87 | .979 | C | Contour profile – This mouthpiece is a good all-around mouthpiece for the jazz player that is requiring quick response and a resonant high register. | S |
| 47 | 24.99 | .984 | 15/64 | For both professionals and students alike, this outstanding mouthpiece combines good response with superior tone quality and intonation. | S L |
| 47C4 | 25.1 | .988 | 15/64 | Like #47 but with a slightly wider, semi-flat #4 rim. | S L |
| 50 | 25.4 | 1.0 | 17/64 | Particularly adapted to the medium and large-bore tenor trombones. The Schilke standard options make this a fine all-around mouthpiece. | S L |
| 50C4 | 25.4 | 1.0 | F | The medium-deep cup and medium-wide rim make this mouthpiece an outstanding choice for medium and large-bore tenor trombones, combining a rich, full sound with a high level of efficiency and playability. | S L |
| 51B | 25.63 | 1.010 | F | This mouthpiece incorporates a large diameter with a medium-small "B" cup and small throat | S L |
| 51 | 25.63 | 1.010 | J | A large bowl shaped cup pr |
