Product Description: This is a set of high-quality clamshell (Hama) go stones and Nachiguro go stones. The set includes 174 white stones and 184 black stones, totaling a complete set. It is a perfect set for playing a game of Go. Both stones are 5mm thick. The grade is unknown, but they are authentic go stones made with traditional materials. Suitable for Go hobbyists and practice. They can be used for a long time with proper care. --- Notes: - The size and thickness are measured values, and slight errors may occur. - The grade is unknown. Please understand. - Please handle the product gently after arrival. Especially during cleaning, the use of a mild detergent is recommended. - Please note that there may be slight differences between the photos and the actual product.