I have various other items for sale too! This is a Shugendo conch shell. It's approximately 33cm long and weighs 632g. It's a conch shell with a unique, rounded shape. (^.^)♪♪♪ I've confirmed that the conch shell's sound can produce five musical notes (Oto = wood and fire, two notes), (Koto = earth, metal, and water, three notes). ♪^o^♪♪❣️ I would appreciate it if you could take a look at my profile. ^ ^♪♪ The mouthpiece hole is about 6.5mm. It has 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 based on the cost of the shell.