Parker Benjamin Tuba Mouthpiece
Benjamin 1: rim ID 32.75mm/ 1.289in.; throat ID 8.5mm/ 0.335in.
Benjamin 2: rim ID 33.00mm/ 1.299in.; throat ID 8.5mm/ 0.335in.
Benjamin 3: rim ID 32.5mm/ 1.280in.; throat ID 8.5mm/ 0.335in.
Benjamin 1: rim ID 32.75mm/ 1.289in.; throat ID 8.5mm/ 0.335in.
Benjamin 2: rim ID 33.00mm/ 1.299in.; throat ID 8.5mm/ 0.335in.
Benjamin 3: rim ID 32.5mm/ 1.280in.; throat ID 8.5mm/ 0.335in.