The House of Staunton The Grandmaster Chess set, Box, and Board Combination - Ebonized Boxwood Materials Used: Ebonized Boxwood,Natural Boxwood King Height: 4.0'' inch / 10.16 cm King Base Diameter: 1.625'' inch / 4.13 cm Board Dimensions: 21.5" x 21.5" Total Number of Pieces: 34 Chess Pieces, including 2 Additional Queens (for Pawn Promotion)