Knife for cutting cardboard boxes of various thickness decorative frames (passepartout) used for binding pastels, graphics, photographs, etc. The tool is also valued by makers of mock-ups and models. After a few attempts, you can use this knife to perform passepartout in a fully professional quality and in any dimension. The MC-45 / DX knife can not be cut on the OLFA undercoat mats because by cutting the top layer of the mat at an angle of 45 ° it will lead to irreversible damage.