I have various other items for sale too! This is a Buddhist conch shell used in Shugendo practices. It's approximately 33cm long and weighs 632g. I've confirmed that the conch shell can produce five tones (two tones of Otsu-on = wood/fire) and (three tones of Kou-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 ^ ^❣️ It's a size that's easy to carry into the mountains. If you need a beginner's text on how to blow the conch shell, please write in the comment section. The price is based on the cost of the shell.