Wooden Chess Set for the Blind - 3.75 inch KingDesigned specially for blind players, the board has raised squares and pieces that work well for the blind or those with very limited vision. The 15" square chess board with 1. 75" squares and large 3. 75" Timeless model pieces make it very tactile. The pieces stay in place well with pegs on the base of each piece that fit all 64 squares and keep the pieces steady and in place. Specifications King height: 4 1 8" (black), 3 3 4" white Board size: 15"