Standard line of trumpet mouthpiece tops. These are designed to have a comfortable feel for the player, and produce a full and rich tone. Threads are made to fit to all standard trumpet backbores (Warburton, Pickett, Austin Custom Brass, etc.). The naming system is the same as Bach mouthpieces.
Rim size is labelled 1 - 10.5 with 1 (0.680" diameter) being the largest, and 10.5 (0.625" diameter) being the smallest.
Cup depth is labelled A - F with A being the deepest, and F being the most shallow.
