The OLFA UltraSharp black heavy-duty snap-off blades are exclusively designed for maximum cutting performance and are ideal for applications where superior sharpness is required. Made from a high-quality carbon tool steel, the OLFA black blades are double-honed for extreme sharpness and are 25% sharper than the OLFA silver extra heavy-duty HB blades. Long lasting, durable snap-off blade - a new sharp edge with just a snap. Blade container locks for safety. Fits OLFA extra heavy-duty handles. 7 cutting edges per blade.
- 20 blades per pack.
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