Snap-off blade with eight sections is specially honed for maximum performance. Double-honed blade offers a high level of sharpness and edge retention for long-lasting performance. Snap-off design lets you quickly remove the dull blade for immediate access to a new, sharp edge. Blade is perfect for heavier materials, including drywall, linoleum, carpet, flooring materials, insulation and more. Replacement blades are designed for use with the Olfa L1 heavy-duty cutter (sold separately).