This JP608 model from John Packer's '600' series is crafted with the same precision and attention to detail as JP Musical Instruments. A reliable choice for students and entry-level musicians, this mouthpiece is easy to play, allowing for a bright, attractive sound. This model is perfect for concert and brass band players, featuring a medium shallow cup for increased high register. With its even tonal quality and big, full sound, this JP608 is an unbeatable value. Specifications: Suitable for Baritone Horn & Small Shank Trombone, JP608 6BS, Silverplated, Internal Diameter 25.40mm.