The Logan Model 855 Platinum Edge 48" Mat Cutter is a durable mat cutter capable of producing professional quality work. It features 4 and 8-ply cutting capability, a quick-change magnetic blade cartridge, and a micro-adjustable magnetic movable stop. In addition, it has a 32" (81cm) removable scaled squaring arm and dual cutting heads for both bevel and straight cuts. This is a rugged and durable mat cutter that will deliver years of reliable service. The all-metal construction combined with its easy-to-use mechanism yields a product worthy of the Logan name. The squaring arm assures an even cut from the fluid cutting heads. The blades are easy to change and will easily cut through 4 and 8-ply board. Whether for home or studio use, this cutter is a winner and should be considered a requirement for all serious mat cutters.