KELLY Kelly / SOUND SLEEVE CONCAVE-57 With Grooves for Trumpet [Year-End Clearance Sale] Markbass but from the 1930s to

but from the 1930s to the 1950s

Internal dimensions: 29

" Compared to previous products

Applying a small amount to the contact points of instruments and parts removes oxidation contaminants and restores the original conductivity of metal parts

KELLY Kelly / SOUND SLEEVE CONCAVE-57 With Grooves for Trumpet [Year-End Clearance Sale] Markbass but from the 1930s toKELLY Trumpet Mouthpiece Sound Sleeve KELLY Tone Sound Sleeve!! Simply attach it to the mouthpiece to create a powerful sound. Weight approx. 57g Material: Stainless steel *Can also be used with regular brass trumpet mouthpieces. *Although this is a new product, there may be small scratches, dents, discoloration, etc. from the time of manufacture. *Depending on the shape of your mouthpiece, it may not be usable. Please be aware of this.