Slide-O-Mix Trombone Cleaning System ACAUDIT 459" bore with a responsive

459" bore with a responsive 4-13/16" bell spun on a professional Bach mandrel and is finished with a brass bead wire placed in the end of the bell

Easy storage at gigs

Protects your mouthpiece and reed from damage inside and outside the case

Reserve Evolution mouthpieces deliver a warm and refined tone featuring quick response and ease of articulation

32-note extended range bells with pitch letter names deleted from tops of bell bars

Slide-O-Mix Trombone Cleaning System ACAUDIT 459" bore with a responsiveThe Slide O Mix 337B Trombone Cleaning System (designed for small to medium bore trombones, up to ~13. 34 mm) is a compact, travel friendly toolkit that simplifies both dry and wet cleanings