The SB-92 Standard Utility Blades are high quality steel and hold a very sharp edge that lasts longer than other brandsThese are ideal for tough jobs and complement our industrial line of PHC utility knivesThe SB-92 Blades have the universal two-notch design and fit most standard utility knives on the marketFor added convenience and safety the SB-92 Blades can also be purchased in our QBD-324 Blade Dispenser