Custom T3 Trombone Mouthpiece
Inner diameter: .947" or 24.053mm
Bore Size, Small Tenor Shank: Standard - .228" or 5.791mm, Symphonic - .234" or 5.944mm
Bore Size, Large, Bass Shank: Standard - .246" or 6.248mm, Symphonic - .246" or 6.248mm
Cup Depth: 1.060" or 26.924mm
The T1 is available in both the heavy or light weight blank style. It is also available in either the large shank style or the small shank (tenor).