I have various other items for sale too! This is a Shugendo conch shell. It's about 34cm long and weighs 884g. I've confirmed that the conch shell can produce five musical notes (Oto = 2 notes of wood and fire), (Koto = 3 notes 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. It's a beautiful conch shell!❣️ Please check the photos ^ ^♪ Free shipping nationwide ^ ^❣️ If you need a beginner's text on how to play the conch shell, please write in the comment section. The cost of the shell was high, so this is the price.