These tubes are typically used in pairs. 80 tubes replace the 45 and 90 tubes on an axial conversion.  Use 2 for a cleaner look, and a more open softer curve for air flow. 

 This is a tenor trombone 45 wrap tube 

Used in tenor trombone wraps

Our newly designed tenor offset tube comes into the tenor valve squarely, and seats well in the valve port opening.  Excellent upgrade in this tube!

 This is a tenor trombone small 90 wrap tube 

 This is a tenor trombone large 90 wrap tube 

There is nothing like the sound of nickel tubes! Two 80 tubes can replace the 45 and 90 tubes on an axial conversion for a cleaner look, and softer more sweeping curve for better air flow. 

This tube makes some tenor rotary conversions much easier and cleaner.  It lends itself to a different look on the tenor wrap