I have various other items for sale too! This is a compact, thick-shelled conch shell used in Shugendo practices. It's approximately 32cm long and weighs 871g. Despite its small size, it's thick and sturdy. It produces both Oton and Kanon sounds very well. It plays a powerful tone (^.^)♪♪♪❣️ Please take a look at my profile ^ ^♪♪ The mouthpiece hole is about 6mm. It has natural growth marks. There are no cracks. Please check the photos. 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.