I have various other items for sale too! This is a Shugendo conch shell. It's about 36cm long and weighs 838g. I've 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 about 6mm. There are natural growth marks. There are no cracks. Please check the photos ^ ^♪ Free shipping nationwide ^ ^❣️ It has vivid patterns and a relatively thick body, It's a sturdy Shugendo conch shell ^.^)♪♪♪ If you need a beginner's text on how to play the conch shell, please write in the comment section. The price is this high because the cost of the shell is high.