I have various other items for sale too! This is a Shugendo conch shell. It's about 36cm long and weighs 879g. I've confirmed that the conch shell can produce five tones (2 tones of Otsu-on = wood/fire) and (3 tones of Kotsu-on = earth/metal/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! ^ ^❣️ 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 shells is high.