Olfa Black Ultrasharp Snap-Off Blade Is Designed For Maximum Cutting Performance And Ideal For Applications Where Superior Sharpness Is Required. Made From High Quality Carbon Tool Steel, These Blades Are Developed Using A Special Double Honing Process For Extreme Sharpness And Are 25% Sharper Than Olfa Silver 18mm Lb Blades. Ideal For Construction And Industrial Applications. 8 Cutting Edges Per Blade.
