The best way to cut a great mat is with a sharp blade. Logan replacement blades are the only blades specifically sharpened to give a professional finished edge to a mat. Always use Logan replacement blades in your cutter for outstanding results. Blades come in various quantity packs determined by the part number itself. This pack of blades is the Logan 267-100 for use with Logan Platinum Edge and Total Trimmer series. If you've used your Logan mat cutter, you know that at some point, your mat cutter blade will start to wear down. But, we've got you covered. For all Logan 850, 855 and 860 Platinum Edge and Total Trimmer mat cutters.