Features Bach Classic Student Mouthpiece Size 1.5C A serious option for the intermediate and advanced trumpet player, the Bach 1-1/2C has been the mouthpiece of choice for classical trumpet players and symphony trumpet players for generations. Bach 1.5C Trumpet Mouthpiece Dimensions 1.5C Rim Diameter: .669", 17mm 1.5C Cup Depth: Medium bowl-shaped cup 1.5C Rim width: Medium wide 1.5C Bore (Throat) size: 27 1.5C Backbore: #10 Model:3511HC Manufacturer:BACH
