Schilke trumpet mouthpiece model #13D4 - cup diameter = .665" , throat = #27 drill size. From the Schilke website,
"Best option for a player looking for a thick, rich, weighted sound. Medium large ‘D’ cup offers a tone that is colorful with depth. #4 semi-flat rim affords comfort with sharper bite for superior articulation clarity. Diameter ideal for all players from student to professional." Shipping inside the continental USA is a flat rate of $5.00 ; international shipping will be actual cost. Arkansas residents pay sales tax.
