$185.00
Classiq short description.
inch (0.610"-0.670")
cu. in. (.045-0.095)
Backbores T0-T4 are suitable for all trumpets, generally going from tightest (T0) to most open (T4). R1-R2 are intended for rotary trumpet. C1-C2 are for cornet-shank piccolo or for orchestral (American-style) cornet.
Classiq long description