For cutting jobs that require superior sharpness, choose these OLFA® Heavy-duty Ultra-sharp blades. The carbon tool steel blades are double-honed for a blade that is 25% sharper than our standard silver blade. Use these blades on heavy-duty construction materials including drywall, linoleum, carpet, flooring, insulation, roofing, and much more.
- 8-segment 18mm snap-off blade
- Made from high-quality carbon tool steel
- Heavy-duty ultra-sharp black blade has a 25% sharper edge for less cutting resistance
- Exact 59 degree front-edge angle optimizes cutting power and minimizes blade breakage
- Fits all OLFA PRO 18mm utility knives
- Also available in pack of 5, 50, and 100