Scoring surface measures 12"x12". A raised fence on 3 sides with rule r markings on the top allow paper to be aligned for perfect scoring. Standard grooves at 1/2" and 1" intervals plus 2-1/8" for gate fold ca rds, 4-1/4" for A2 cards and 3-2/3" & 7-1/3" for brochure folding. Mu ltiple crisp and accurate scores can be made without moving the paper; 1/8" markings are provided at the 0S to 1" mark and 11" to 12" mark. The Score-Tool snaps into place at the top of the unit for easy acces s.