Used Schilke 13A4A Trumpet Mouthpiece
Sizing: Schilke's sizing system refers to the rim diameter, cup, rim contour, and backbore size
Example: 6A4Z = 6 rim, A cup, 4 rim contour, and Z backbore
Each mouthpiece has been inspected and cleaned by Beverly Music and will be re-sanitized prior to shipping. All used mouthpiece sales are final.