New Bach Silver Commercial Trumpet Mouthpiece,5S

• Finish - Silver
• Model No. 5S
• Throat - #27, .144 in.
• Backbore - #56
• Depth of Cup - Shallow
• Approximate Cup Diameter - 16.31 mm.
• Rim Shape - Modified Comfort Rim with a Flatter Top
• Description - Commercial Mouthpiece