Kelly's small-shank Trombone/Baritone Mouthpieces are manufactured entirely from indestructible & comfortable Lexan material! And, colored too!
KELLY Mouthpieces are sampled by their professional staff and adjusted to produce their final, comfortable, easy-blowing mouthpieces. Mouthpieces are identical to exacting standards.
Standard Trombone/Baritone Cup Sizes
KELLY - 12C - The smallest cup - Ideal for beginners or Lead-Trombone
KELLY - 6-1/2AL - KELLY's music-industry standard
Large/Extra-large Trombone/Baritone Cup Sizes
KELLY - 5G - The favorite symphonic Trombone mouthpiece
KELLY - 51D - The most popular mouthpiece for professional Euphonium & Trombone players
KELLY - BASS-BONE - Favored for Bass-Trombone, Tuba/Euphonium doublers, and anyone with adequate breath-support