Scor-Pal Measuring & Scoring Board 12"X12" Actual scoring surface measures 12"X12". A raised fence on 3 sides with ruler markings on the top allow paper to be aligned for perfect scoring. Besides the normal 1/2" and 1" intervals there are grooves at 2-1/8" for gate fold cards, at 4-1/4" for A2 cards, and at 3.666" and 7.333 for brochure folding (divides 11" paper into equal thirds). The Score-tool snaps into place at the top of the unit for easy access.