Libretto 12C Trombone Mouthpiece, 2μm Silver Plated Mouthpiece w/Vacuum Packing, Small Shank Compatible with Alto Trombone & Baritone, Designed for Beginner, Student, Jazz Player cocoon They are metric

They are metric

Warranty:-Toptrend guarantee one piece of HDMI cable for a lifetime use

Pin seat and cage copper

clear and legible

Libretto 12C Trombone Mouthpiece, 2μm Silver Plated Mouthpiece w/Vacuum Packing, Small Shank Compatible with Alto Trombone & Baritone, Designed for Beginner, Student, Jazz Player cocoon They are metricLibretto 12C Trombone Mouthpiece, 2m Silver Plated Mouthpiece w Vacuum Packing, Small Shank Compatible with Alto Trombone & Baritone, Designed for Beginner, Student, Jazz Player Product Features Bright, Crisp Tone for All around Performance: Explore the perfect playing experience with our mouthpiece, loved for its authentic sound and stability. Ideal for jazz enthusiasts, beginners, and students. High Quality Materials: Made from high quality brass,