Part # 1125383
These super heavy-duty blades are designed for more demanding materials and projects. Put them to the test on industrial materials such as gaskets, conduit, belt synthetics, rope, leather, laminates, plastics, fiberglass, rubber, textiles, and more. Engineered from high quality Japanese carbon tool steel UltraMax® ultra sharp black blades by OLFA® are 25% sharper than standard silver blades and have an exact 59° edge angle optimizing cutting power and minimizes blade breakage. Use with all OLFA® 25mm Knives, 7 edges per blade strip, 5 blades per pack.