For the Lead-Trumpet Player: The KELLY-SCREAMER?
The most COMFORTABLE, AFFORDABLE lead mouthpiece you'll ever play!! PERIOD!
The KELLY-SCREAMER? is a unique new design in lead mouthpieces. It combines a shallow-cup, a tight, parabolic backbore, and a very comfortable rim! Wail on!
Cup Diameter: .63"
Cup Depth: .37"
Inside Diameter of Receiver: .43"