YSL-882 Xeno series B♭/F trombone. The bell is one-piece yellow brass, 220mm in diameter; the outer slide is yellow brass, the inner slide is nickel silver; the bore size is large bore 13.89mm; clear lacquer finish. Purchased 15 years ago. Both the instrument body and the case show signs of use (see images). There are no problems with playing. For orchestra and concert band. Professional specifications, but since it is used, it is recommended as a first trombone.