Professional construction meets sophisticated utility with Making Memories® 12" x 12" Precision Paper Trimmer™. Long-lasting rotary blade provides accurate, straight cuts while sharpening itself at the same time, making every cut as precise as the first. Folds out into a 12" x 12" trimmer, then folds down to easily fit in your Runway Roller™. A trimmer this specialized at this affordable price makes it, truly, a cut above the rest. Features: Professional quality Sturdy construction Non-slip exterior folded and unfolded 12" x 12" cutting surface Self-sharpening blade Lightweight for optimal portability Cutting grid contains pre-measured templates for 4" x 6", 5" x 7", 8" x 10" and 8.5" x 11" Marked in inches and centimeters with .5" cutting grid Magnetic ruler for scoring and holding paper in place while cutting