Olfa HD UltraMax® Blades - # LBB-50B Olfa UltraMax® blades (LBB). Exclusively designed for maximum cutting performance. These blades are developed using a ''special'' double honing process for superior sharpness and are 25% sharper than our standard (LB) blades. 8 cutting edges per blade strip. 50 pack features 400 cutting edges. | 
