I have various other items for sale as well. This is an extra-large Shugendo conch shell. It's approximately 41cm long and weighs 1248g (^.^) ♪♪♪❣️ The mouthpiece hole is about 6mm. It has natural growth marks. There are no cracks. Please check the photos. It's a well-balanced, extra-large Shugendo conch shell with a thick body❣️ (^.^) ♪♪ I've confirmed that the conch shell can produce five tones (Otsu tones = 2 tones of wood and fire), (Kou tones = 3 tones of earth, metal, and water). If you need a beginner's guide to playing the conch shell, please write in the comments section. I'll include it for free. The resonance of the Otsu tones is especially amazing ^ ^ ♪♪〜♪❣️ Free shipping nationwide❣️ The price may fluctuate depending on the cost of the shell.