The heavy-duty utility knife blades from Harden are professional quality. They are produced with a proprietary grinding process, using the SK5 steel that is resistant to wear and will outlast regular standard steel blades. Those blades designed to fit most, if not all, standard utility knives.

Features:

• Professional-grade performance and durability for industrial use
• Suitable for most types of dual sided blade utility knives
• SK5 steel sharper 3X longer than traditional carbon blade due to its hardness
• Ideal for cutting drywall, cardboard, carpeting, rope, twine, flooring, fiberboard and many other construction materials
• Each 10 blades are individually packaged inside of corrosion resistant plastic box

Specifications:

• Brand: Harden
• Model: 570345
• Double edge knife blade
• Made of SK5 steel
• Blade size: 61X19mm
• 10 blades per plastic package
• Package weight: 1.6oz or 47g

Package includes:

• 5 packages of utility knife blades (total of 50 blades)