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.
Mechanix Heavy Duty Disposable Latex Work Gloves - Box Of 100 - XL, White
Stanley® Hand Tools FMHT10502-9 Fatmax® Heavy-Duty Trade Knife
Roughneck ROU51273 Heavy Duty Joint Knife 80Mm/3In
PHC Riteknife As100 Heavy Duty Guarded Knife Green AS-100
Draper 03421 Heavy Duty Trimming Knife Blades (Pack of 10) 0.6mm -...
Ox Tools OX-P222510 Ox Pro 10 Pack Heavy Duty Hooked Knife Blades & Dispenser EA