About Us Delivery Information Returns Exchanges FaQ's Contact Us What our customers say? View feedback Got a Question for us? Contact Us Menu Tools Computer Accessories Household Items Tools Computer Accessories Household Items Free shipping to USA Fast friendly customer service Contact us now with any Questions! Safe easy payment through PayPal 200Pc Utility Knife Razor Blade Refill Replacement Double Sided Blades USD 30.74 Model: 570345-20 Brand: Harden 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: 570345-20 Double edge knife blade Made of SK5 steel Blade size: 61X19mm 10 blades per plastic package Package weight: 1.6oz or 47g Package includes: 20 packages of utility knife blades (total of 200 blades) Need to contact us? If for any reason you are not completely satisfied with your purchase, please contact us before leaving any feedback through so we can resolve any issues as quickly as possible. customer information About Us Delivery Information Returns Exchanges FaQ's Contact Us shop newsletter Sign Up for our Email Updates and Special Offers! subscribe now!