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 is helpful in some tenor trombone wraps

 Connects our bass rotary valve to wrap tubes      

 Connects our bass wrap tubes