GR Compu-Bal trumpet mouthpiece 63 rim BR_CLEAN The new design has allowed

The new design has allowed for a slimer case while still fitting four trumpets

These trombone cases offer a stylish design

Replacement case for in Nylon fabric for the Marcus Bonna compact quad trumpet case

OUTER DIMENSIONS

It also makes fantastic practice aid for the experienced player and is great for keeping in shape for that important up-coming gig when on the road…

GR Compu-Bal trumpet mouthpiece 63 rim BR_CLEAN The new design has allowedQuick Comparison The GR 63 Series cup diameter is somewhat similar to a conventional 10 diameter. Classic Blank is standard. Studio, Symphonic, and FatBoy are available as a special order on some models.