VINCENT BACH 10-1/2C Mouthpiece for Bb Trumpet Specifications (mm) Inner Rim Diameter: 15.90mm Rim Shape: Medium Wide Cup: Regular Throat No. 27 (Diameter: 3.66mm) Silver-plated finish There are some minor scratches due to use on the shank and around the rim, but overall it is in good condition. It has been cleaned with brass soap and a mouthpiece brush, but please understand that this is a used item before purchasing. *Outer box included Please feel free to ask if you have any questions!