Yamaha Mouthpiece Trumpet 14C4 Silver plated
Yamaha 14C4 for Trumpet, Mouthpiece for Trumpet, No. 14C4, Standard series, Inner diameter: 16.88 mm, Rim contour: medium (semi-flat), Rim width: standard, Cup depth: medium (standard), Bore: 3.65 mm, Back bore: medium narrow (semi narrow), Colour: Silver plated