Greg Black Tenor Trombone Mouthpiece, Small Shank

 All Stock Tenor Mouthpieces feature a Medium Shallow Cup Depth paired with a Medium Wide Rim.  Can also be used for Alto Trombone.

Model: 3C Cup Diameter: 26.4mm, 1.040" Bore: 'A', .234"

Model: 4C Cup Diameter: 26.1mm 1.032" Bore: 'A', .234"

Model: 5C Cup Diameter: 25.8mm 1.016" Bore: 'A', .234"

Model: 6C Cup Diameter: 25.4mm 1.00" Bore: 'A', .234"

Model: 7C Cup Diameter: 25mm  63/64" Bore: '#1', .228"

Model: 11C Cup Diameter: 24.7mm  31/32" Bore: '#1', .228"

Model: 12C Cup Diameter: 24.5mm  31/32" Bore: '#1', .228"