I have various other items for sale too! This is a Buddhist conch shell. It's approximately 35cm long and weighs 806g. I've confirmed that the conch shell can produce five tones (2 tones of Otsu-on = wood/fire) and (3 tones of Kō-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 cost of the shell was high, so this is the price.