0.125 Space Grooves Scor-Pal Eights scoring board has a slightly textured 12x12inch surface, with a raised fence at the top and on the left and right sides. Colored ruler markings on the fence are easy to see. Grooves are every 1/8inch across the board. Specialty grooves make card making simple at 4.25inch for normal A2 cards; at 2.125inch and 6.375inch for gate fold cards and at 3.666inch and 7.333inch for brochure folding. Includes scoring tool that snaps into place at the top of unit.