Heavy duty blades are used by professionals in industry, flooring, roofing, warehousing and also for DIY, crafts, graphic arts and for many other uses. They fit most "Stanley" type craft knives.
Heavy Duty Knife Blades (Pk100)
Vogue Heavy Duty Knife Case 7 Slots
Stanley 2-11-921 1992 Heavy Duty Utility Blades (Pack Of 10) STA-2-11-921
Stanley STTMHS00 Heavy-Duty Scraper Blades (pack of 5)
Q-Connect Medium/Heavy Duty Cutter Blades (12 Pack) KF10636