Go Game Set: The Professional Go Set Play like a pro Professional standard agathis Go board Ash wood bowls in a deep contrasting hue Professional standard, size 36 glass Go stones Dimensions: board - 16.5 x 17.7 x 2.4 in (42 x 45 x 6 cm), stones - 0.87 x 0.41 in (2.2 x 1.04 cm), bowls - 3.9 x 5.9 in (10 x 15 cm). Weight: 18.5 lb (8.4 kg).