For the present time we have 2 lengths of 45 tubes, a longer one (4.5" Long) and a shorter one (2.75" Long).  If you have a preference, please let me know when ordering.  Otherwise I will...

Used in our bass trombone wrap  

This tube makes some rotary valve conversions much easier and cleaner.  It helps the valves align.

Used in many rotary conversions, this is a "Minnick" style tube Outer span is 3.60"  Inner span is 2.35"   Tube OD is .640"  Tube ID is .594"  Center to Center is 3"

 Used in Our Bass Trombone Wrap, allows axial valves to align. Outer span is 2.10"  Inner span is .695"  Tube OD is .640"  Tube ID is .594  Center to Center is 1...