Yamaha GP Mouthpiece 51 Trombone KS, Mouthpiece For Trombone, Golden rim and bore, Long shank: 48-GP, Internal diameter: 25.25 mm, Standard contour, Standard thickness, Standard cup depth, Throat: 6.62 mm, Semi-narrow backbore, Features: Well harmonised rim and cup with rather narrow backbore. Fine design that meets the needs of professionals.
All the categories
