XO Black Nickel trombone model XO-LY

But, its a Custom designed by master brass maker Koichi Haido

Global Instruments Inc. (Japan).

 

It has a slick black nickel finish.

The bore size is .508 with a light-weight slide and 8-inch bell. 

 

XO model BT trombone with a  yellow brass tuning slide (it comes with an optional red brass tuning slide). It has a thayer valve and the bore size is .547 with an 8 1/2 inch bell.  

Also, it comes with 3 leadpipes.

 

Stafford plays XO trombones exclusively

 

Stafford uses Stafford Hunter signature model Willie's Custom Brass trombone mouthpieces exclusively

 

Stafford uses Hercules Stands exclusively