trombone- we bought from neighbor for daughter to decide if band was her thing. it worked for her 1st year of band and it saved alot of money that would have been wasted- not her thing....it has jst been sitting in the closet so i thought i would run ad to see if another parent could benefit from it...There is a dent picture - it is not as big as it appears in pic .I know nothing of instruments but will answer or get answers for you questions.e-mail with questions and arrange to come see trombone
100 obo