This is a spiral cymbal made by modifying a Zildjian A Custom 18-inch medium crash cymbal. When hung, it extends to about 115 cm. As a spiral cymbal, the basic sound characteristics are similar, but like a China cymbal, it has a unique sound, and you can still feel the softness and warmth of Zildjian. The arc cuts on the outer edge make the sound more complex and give it a unique look. This item is made by modifying a used cymbal, so there may be rust, dullness, and dirt. The cut surfaces and edges have been deburred and smoothly polished to prevent injury, but please understand that this is amateur work before purchasing. If you have any questions or concerns, please leave a comment. Thank you for looking.