This is a spiral cymbal made by modifying a Zildjian A Series ROCK CRASH 16-inch. The original was a warm, powerful, professional-grade rock crash cymbal, so it has a wide volume range and allows for enjoyable tonal changes with touch. The original model has been discontinued, and although I haven't tried it, it seems like it would have a trashy sound with a long sustain, making it interesting to use. When hung, it extends about 70 centimeters. This is a modified cymbal based on a used cymbal, so there may be rust, dullness, and dirt. The cut surfaces and edges have been polished and buffed. I've put a lot of effort into smoothing it out this time, but please understand that this is amateur work. If you have any questions or concerns, please leave a comment. Thank you for looking.