The Olfa 45mm Rotary Cutter is ideal for cutting fabrics quickly and easily for quilting, patchwork, sewing and craft projects. The rolling blade is made of high-quality tungsten carbide tool steel for unparalleled sharpness and superior edge retention. The 45mm rotary cutter is the most popular size in the range and features a durable handle with a blade cover for safety. This cutter is suitable for either right-hand or left-hand use. Replacement blades also available.