The standard-duty, snap-off replacement blade AAB10B has 13 cutting edges per blade strip. A 10 pack features 130 cutting edges. Each blade is produced using Olfa's precise multi-step production process for amazing sharpness and superior edge retention.
Stainless steel snap-off blades AAB50 are for use in moist environments (wallpapering, window films, etc.) where rust is a concern. 13 cutting edges per blade strip equals 650 edges per 50 pack. Designed for superior sharpness and blade edge retention.