This is a tenor bass trombone from YAMAHA's custom series, "Xeno." I purchased it approximately 10 years ago and have kept it in good condition. It has a great sound and is a versatile model suitable for concert bands, solo performances, and more. 【Product Details】 ・Manufacturer: YAMAHA ・Model: Xeno ・Specifications: Tenor Bass ・Purchase Date: Approximately 10 years ago ・Accessories: Genuine hard case (interior: red), slide, bell, and other included parts 【Condition】 ・There are no major scratches or dents that would affect playing. ・There are minor scuffs and signs of use, but it is generally in very good condition. I purchased this during my junior high school days and have taken good care of it. Please feel free to ask any questions. I hope to pass it on to someone who will cherish it.