New York Collection Trombone Mouthpiece #4
Inner Diameter : 1.06" or 26.924mm
Bore Size : .277" or 7.036mm
These duplications of the original New York Models have proven to be among the most popular of the entire New York Collection.
The NYC #4 has a very deep "C" shaped cup. The rim is medium wide and rounded.
*This model is available in either the Heavy or Light weight blank style with either a large or small shank.