Olfa 1123432 18mm black ultra-sharp snap-off Blades, 5-pack (LBB/CP100)

For cutting jobs that require superior sharpness, choose these OLFA® UltraSharp black blades. The carbon tool steel blades are double-honed for extreme sharpness. Use these blades for construction materials including drywall, linoleum, carpet, flooring, insulation, and roofing materials. Good For: Use these blades on construction materials, including drywall, linoleum, carpet, flooring, insulation, conduit and roofing materials.