Product Overview
- Specifications
- Inner Diameter: .640 measured .04 inches into the cup.
- Outer Diameter: 1.094
- Throat: 19
- Backbore: This top is played with either a Bach, French, Standard (Yamaha), or Trumpet shank which can be purchased here.
To our Canadian customers - The best way to order is by phone at 1 877 679-3343
