48 trombone mouthpiece large shank; Yamaha Standard; recommended for students by the Canadian Brass

48 trombone mouthpiece large shank; Yamaha Standard; recommended for students by the Canadian Brass
"The 48 provides enough freedom and openness for a great sound. It's an ideal mouthpiece for both classical music and jazz."
inner diameter: 25.2mm; contour: standard; thickness: medium; cup depth: medium; throat: 6.6mm; backbore: semi-wide