1,Item:Slitting blade 2. Features: high intensity, high hardness, high toughness and high harden ability, etc. 3. Blade incision: smooth without burr. 4.Technology: each technical index reaches the international standard In order to serve and supply you better products, When buying our products, you're recommended to offer such detailed information as technical parameters (e.g. material, specification, drawings, your order quantity) and other specific requirements. Or we can offer recommendations for you to choose from based on your requirements about the product.