GR Technologies
GR Technologies 64.7M
Cup diameter
16.43
mm
Cup depth
Medium
cup geometry
Shank
small
About this mouthpiece
The GR Technologies 64.7M is a trumpet mouthpiece with a 16.43mm cup diameter and medium cup depth.
Rim
comfort
The part touching the player's lips. Width and curvature affect endurance, comfort, and flexibility.