Acurit Precision Craft Knives and Blade Replacements are versatile in their uses, ranging from cutting the tape on cardboard shipment boxes, to making an acurate cleft on a wooden scale model. The blades on Acurit knives are extremely sharp. They have the ability to swiftly cut thick materials such as vinyl and wood. Equiped with two grip handles, Acurit knives can be held for either large, fluid motions or short, precise strokes. You won't need to replace Acurit blades often, but for such an occasion, Acurit replacement blades are extremely easy and quick to install.