Parker Chelan Tuba Mouthpiece
Chelan 1: rim ID 32.75mm/ 1.289in.; throat ID 7.92mm/ 0.312in.
Chelan 2: rim ID 33.00mm/ 1.299in.; throat ID 7.92mm/ 0.312in.
Chelan 3: rim ID 32.5mm/ 1.280in.; throat ID 7.92mm/ 0.312in.
Chelan 1: rim ID 32.75mm/ 1.289in.; throat ID 7.92mm/ 0.312in.
Chelan 2: rim ID 33.00mm/ 1.299in.; throat ID 7.92mm/ 0.312in.
Chelan 3: rim ID 32.5mm/ 1.280in.; throat ID 7.92mm/ 0.312in.