The House of Staunton Deluxe Omcor Game Timer 960 Chess Set Combination Materials Used: Plastic King Height: 3.75'' inch / 9 53 cm King Base Diameter: 1.5'' inch / 3.81 cm Board Dimensions: 20" x 20" Total Number of Pieces: 34 Chess Pieces, including 2 Additional Queens (for Pawn Promotion)