KELLY Small-shank Trombone/Baritone Mouthpieces are made entirely of lexan material.
The KELLY-6-1/2AL and KELLY-12C cup sizes are industry standards.
All mouthpieces are sampled by professional staff and adjusted to produce the final, comfortable, easy-blowing mouthpieces.
Mouthpieces are identical to exacting standards.
Available in the following sizes: 6-1/2AL, 12C