Bach 351 Trumpet 8-3/4C, Mouthpiece for Trumpet, For trumpet 8 3/4C, Cup diameter: 16.10 mm, Medium cup, Medium wide rim, Similar shape to the famous 7C mouthpiece, but with a fractionally smaller cup diameter, Wonderful high register, clear, shiny tone, Extremely easy response which emproves your stamina, An excellent model for fans with a delicate approach that suffer from rapid fatigue