Go Game Set: The Standard Go Set Beautiful Shin Kaya veneer Go board Ash wood bowls in a deep contrasting hue Professional standard, size 33 glass Go stones These stones are used by professional Go players in professional tournaments Dimensions: board - 17.7 x 16.5 x 1.2 in (45 x 42 x 3 cm), stones - 0.87 x 0.36 in (2.2 x 0.88 cm), bowls - 3.9 x 5.9 in (10 x 15 cm).