I have various other items for sale too! This is a Buddhist conch shell used in Shugendo practices. Length: Approximately 36.5 cm, Weight: 701g. I have confirmed that the conch shell can produce five tones (Oto = 2 tones of wood and fire), (Koto = 3 tones of earth, metal, and water). ♪^o^♪♪❣️ Please take a look at my profile. ^ ^♪♪ The mouthpiece hole is approximately 6mm. There are natural growth marks. There are no cracks. Please check the photos ^ ^♪ It has a relatively thick body and is a well-balanced conch shell ♪♪ Free shipping nationwide ^ ^❣️ If you need a text on how to play the conch shell for beginners, please write in the comment section. The price is due to the high cost of the shell.