YAMAHA YPC-31 Piccolo * Piccolo body * Dedicated hard case * Cleaning rod - Brand: Yamaha - Model: YPC31 - Color: Black - Included items: Case, cork grease - Material: Silver-plated Due to lack of expertise, I am unable to determine the detailed functionality. Please consider purchasing with the understanding that you will need to perform maintenance and adjustments yourself or through a shop. The instrument has been disinfected with alcohol. As this is an older item, there are scratches, stains, and tarnishing of the metal due to aging. Please make your judgment based on the photos.