This is a King 2104 4B trombone. You can tell that it is a 4B trombone because it has a 8 5/8 in bell. It does not say 4B on the bell, only 2104. This trombone is still in great shape and comes with the original hard case and mouthpiece, as well as a new tub of slide cream and a new bottle of slide gel. As always, message me, if you have any questions.
