Used in tenor trombone wraps

 This is a tenor trombone 45 wrap tube 

Nickel Tuning Slide Crook for tenor wrap!  Special touch for your tenor wrap

Used in a bass trombone wrap   Outer span is 5.64"  Inner span is 4.40"  Tube OD is .640"  Tube ID is .594  Center to center is 5.10"    

This tube is helpful in some tenor trombone wraps