Mercer & Barker MB4.5G Trombone BSP, Mouthpiece for Tenor Trombone, Viper model, Cup diameter: 25.60 mm, Rim: 6.75 mm, Bore: 7.40 – slightly larger than the 5G, Extra-comfortable rim, More mass to enhance the sound, Comparable to Bach 4.5G, Large...
Thomann Italia