They are made using high-quality SK2 steel which lasts up to 5-times longer than standard steel blades. These heavy-duty blades are precision honed to a razor sharp edge. Performance Tool BX5 razor blades are designed to fit standard razor scrapers.
30 Pack Utility Knife Blades, SK5 Steel Heavy Duty Box Cutter Replacement Blades with Plastic Case, Standard Size Razor Blades for Most Standard Utility Knives : Tools & Home Improvement
Milwaukee General Purpose Utility Blades (5-Pack) 48-22-1905 - The Home Depot
Performance Tool W745C Utility Knife : Tools & Home Improvement
Utility Blades with Dispenser, 50 Pack
DIYSELF 10 Pack Utility Knife Blades, Box Cutter Blades, Utility Blades, Sk5 Steel Blades for Box Cutter, Sturdy Knife Blades for Razor Blades Utility Knife, Sturdy Knife Blades, Utility Razor Blades : Tools & Home Improvement
Utility blade PRO 61mm 10pcs
Tools & Supplies Cheap Thrills Motorsports
Milwaukee General Purpose Utility Blades (5-Pack) 48-22-1905 - The Home Depot
Veltec SK5 Steel Blades for Heavy Duty Utility Knife Box Cutter, Carpet Cutter, 10 Pack with Dispenser