Thank you for viewing! This is a YAMAHA trombone, model YSL-646. This model is well-loved for its excellent operability and blowing feel, typical of a medium-bore trombone, along with its excellent response and rich sound characteristic of a tenor bass trombone. 《Specifications》 ・Key: B♭/F (Tenor Bass Trombone) ・Series: Professional Series ・Bell/Body Material: Yellow Brass ・Bore Size: 13.34mm (Medium Bore) ・Inner Slide Material: Nickel Silver ・F Section: Traditional Wrap ・Rotary System: String-operated ・Finish: Clear Lacquer ・Country of Manufacture: Japan 《Included Accessories》 Original Hard Case Mouthpiece (51B) 《Notes》 ・This is a used item, so there are signs of use such as scratches. ・I have confirmed that the slide moves smoothly. ・Simple cleaning has been done. ・All accessories are shown in the images. ・Please check the condition carefully in the images, and no claims or returns are accepted. ・If you would like to check any other areas besides those in the photos, please let me know in the comments. There are no smokers or pets. Instant purchase is OK. #YAMAHA #Yamaha #Trombone #YSL646 #TenorBass #MediumBore