Olfa 9005 Knife Blade, 18 mm, Carbon Steel, 4-Point

Use these Olfa® blades once and you'll be hooked. Their hook shape is designed to protect material underneath from being cut. Use these blades for construction materials including drywall, linoleum, carpet, flooring, insulation and roofing materials.

• Made from high quality carbon tool steel for sharpness and durability with 4 cutting edges per blade
• Used by roofers, those cutting shrink-wrap and more
• Fits most heavy duty LB utility knives