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Made of polycarbonate resin that is difficult to be affected by the outside air, making it ideal for playing in cold outdoors
The characteristic look is also effective when playing at marching or events
Rim inner diameter: 0.6 inches (16 mm)
Throat Diameter: Thin
Cup Depth: Shallow
The KELLY-SCREAMER is Kelly's own lead-trumpet mouthpiece design. The rim has a remarkably cushioned feel that still provides good slotting and great note accuracy. For comparison, the diameter is near a 13a4a with our KELLY-SCREAMER being a bit shallower. The throat is slightly tighter than a Shew-lead, and the parabolic backbore just under that of a 3E.