Kelly TB12CB 12C Crystal Blue Plastic Trombone Mouthpiece Ortofon Interior Height: 13

Interior Height: 13

All Ernie Ball strings are precision manufactured to the highest standards and most exacting specs to assure consistency

Even the metering is appropriate for each limiter so you can easily see how each is contributing

"soft" power up and down

Kelly TB12CB 12C Crystal Blue Plastic Trombone Mouthpiece Ortofon Interior Height: 13KELLY 12C Crystal Blue Trombone Mouthpiece One of our best sellers here at Alto Music, the KELLY Trombone Mouthpieces are made entirely of lexan material. Kelly mouthpieces are designed to make playing brass instruments easier. The terrors of braces, college and professionals facing inclement weather marching, or during the holiday season, well worry no moor!!! Kelly mouthpieces were designed to meet the demands of brass players from beginners to