Embouchure Placed in the hole, starting with the longest Chops Dyno and working towards the shortest, a gradual transition from a small to a large tuba mouthpiece is achieved. - For mouthpieces with 8.1 mm bore or larger - Material: Brass silver-plated - Lengths: 2 cm, 3 cm, 4 cm and 5 cm THIS ITEM IS CURRENTLY NOT AVAILABLE YOU CAN CONFIRM THIS INFORMATION BY CLICKING ON ITEM