| Standard Series (Short Shank) | | |
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
| CR-7D4d | 16.24 | 4.1 | Small inner rim diameter, flat and wide for extended endurance. Bright, round tone. Outstanding high tones. |
| CR-8D2 | 16.36 | 4.1 | Small inner rim diameter with a relatively deep cup. Soft yet lyrical tone that is excellent for playing in the high range. |
| CR-9E | 16.44 | 4.5 | Appealing "British-style" soft tone. Medium rim and deep cup for easy playability over a wide range. |
| CR-11C4 | 16.46 | 3.65 | Easy high register. Ideal for beginners. Same rim and cup configuration as the 11C4 trumpet model. |
| CR-11E4 | 16.46 | 4.2 | The standard British-style cornet mouthpiece. Exceptionally flexible for a wide range of styles. |
| CR-13E4 | 16.7 | 4.5 | Slightly larger inner rim diameter than the 11E4 for a richer, heavier tone. Deep “V” cup delivers traditional soft cornet tone. |
| CR-14E | 16.86 | 3.98 | Slightly smaller inner rim diameter than the 16E. Beautiful soft tone. Centered tone and outstanding stability over the instrument's full range. |
| CR-16E | 17.06 | 3.98 | Popular with top British players. Unique configuration with a fairly thin rim facilitates advanced playing techniques. |
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| Standard Series (Long Shank) | | |
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
| CR-6B4 | 15.65 | 3.76 | Small inner rim diameter. Suitable for playing high notes. |
| CR-7A4 | 16.24 | 3.65 | Fairly small inner rim diameter, but with outstanding flexibility. |
| CR-9C4 | 16.28 | 3.65 | Well-defined rim bite for easy, fatigue-free playability. |
| CR-11A4 | 15.99 | 3.65 | Piccolo trumpet mouthpiece with a CR shank, medium bore and shallow cup offers a bright upper range. Excellent for piccolo trumpet. |
| CR-11B4 | 16.64 | 3.65 | Medium bore with a shallow cup offers bright and rich upper range. Well-suited for piccolo trumpet. |
| CR-11C4 | 16.46 | 3.65 | Standard type for players from beginner to advanced. |
| CR-13B4 | 16.63 | 3.65 | Bright tone suited to large bands and ensembles. |
| CR-14A4a | 16.68 | 3.65 | Fast-response high range and powerful sound. Well-suited for piccolo trumpet. |
| CR-14B4 | 16.85 | 3.65 | Outstanding overall balance for all genres. |
| CR-15C4 | 16.98 | 3.65 | Bright, powerful tone. For advanced players. |
| CR-16C4 | 17 | 3.65 | Large inner rim diameter and medium cup for easy playability over a wide range. |
| CR-17C4 | 17.3 | 3.65 | Ideal for orchestra players who prefer a large inner rim diameter. |
| | | |
| GP Series (Short Shank) | | |
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
| CR-14E-GP | 16.86 | 3.98 | Slightly smaller inner rim diameter than the 16E. Soft, warm tone. Subtle, precise sound enables consistent playing in all registers. |
| CR-16E-GP | 17.06 | 3.98 | Slightly thin rim with a unique form enables high-level playing techniques. |
| | | |
| Signature Series | | |
| Model No. | Rim Inner Diameter (mm) | Throat (mm) | Characteristics |
| CR-DKINGS | 16.91 | 4.6 | This mouthpiece has a very deep cup for a rich, mellow sound. Ideal for British-style cornet players. |
| CR-DUTOT-S | 16.9 | 3.99 | The trademark of the DUTOT-S is its rich cornet sound, making it perfect for French-style cornet performances. |
| CR-DUTOT-L | 16.95 | 3.72 | The DUTOT-L possesses a full, bright treble register, and is suited for use on piccolo trumpets that have a cornet shank. |
