Drum Throne Seat Only, Manufacturer Unknown, Drum Stool Drum throne seat only, manufacturer unknown. I think it's a general-purpose size. Please refer to the following. Seat diameter: 30cm, thickness: about 5.8cm Pipe hole diameter: 2cm 《Condition》 ・No noticeable scratches or tears on the seat. I will wipe it down before shipping, but please forgive any dust that cannot be removed. ・Corrosion on the metal parts. ※This is a used item stored at home. Please refrain from purchasing if you are looking for perfection or are very sensitive to details. ※Simple packaging, will be wrapped in cushioning material and shipped.