Product Overview
- Specifications
- Inner Diameter: .665 measured .04 inches into the cup.
- Outer Diameter: 1.119
- Throat: 19
- Backbore: This top is played with either a Bach, French, Standard (Yamaha), or Trumpet shank which can be purchased here. For deep Cornet, this top is played on a Wedge British (Short) Cornet backbore, purchased here.
