Whether you"re an amateur artist, or a professional, Logan Mat Cutters will not only help you present your art work in its best light, but it will save you money at the same time. Why rely on a frame shop when cutting your own mats is easy and cost effective, with such quality equipment? Choose from many different styles, sizes, and price points of cutters. Knife- Simple knife used to straight cut mat board to size. Three depth settings: safety, single sheet, and double thick and now features a quick adjustment blade holding knob for 8-ply. Includes three extra blades