White Board is equivalent to a .3" wood strip.

Yellow Board is equivalent to a .5" wood strip.

Orange Board is equivalent to a .7" wood strip.

Green Board is equivalent to a 1" wood board.

Blue Board is equivalent to a 1.25" wood board.

Brown Board is equivalent to a 1.75" wood board.

Black Board is equivalent to a 2.25" wood board.

Each Board is constructions from a high impact plastic that will ensure durability. Rubber palm pad provides cushion to the holder. Dimensions are 11.5" x 9.5"