The LTR-311S 310mm ruler cutting board with 3 blades is the essential precision cutting tool for paper, photos, and graphic arts projects. Equipped with a graduated base in millimeters and inches with a stop bar and sliding cutting head, it comes with 3 interchangeable stainless steel blades for straight cuts, serrated cuts, and scoring. The 31cm cutting area accepts A4 size sheets in their entirety. Indispensable for scrapbooking, photographers, offices, and crafts.