I have various other items for sale too! This is a Shugendo conch shell. It's approximately 33cm long and weighs 984g. I've confirmed that the conch shell can produce 5 tones (2 tones of Otsu = wood/fire), (3 tones of Kou = earth/metal/water)♪^o^♪♪❣️ Please take a look at my profile if you'd like ^ ^♪♪ The mouthpiece hole is about 6mm. There are natural growth marks. There are no cracks. There is a scratch on the tip of the conch shell. This is part of the history and character of this shell. The sound quality is not affected at all. Please check the photos ^ ^♪ It's a convenient size to carry around. It's a solid and substantial Shugendo conch shell ^ ^♪❣️ It produces a powerful tone ❤️ Free shipping nationwide ^ ^❣️ If you need a text on how to play the conch shell for beginners, please write in the comment section. The price is based on the cost of the shell.