Olfa HBB-20B Model # 1082209
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.