Backbore for Tenor Trombone
- Symphony tenor
- With large shank
- Standard model
- Ø 6.76 mm bore
- Silver-plated
- There are three sizes of the ST backbore, numbered from 1-3, with 1 being the smallest and 3 being the largest
3030-Day Money-Back Guarantee33-Year Thomann Warranty
- Available sinceFebruary 2016
- Item number378468
- Sales Unit1 piece(s)
- Finish Silver Plated







