Basic size: 100x36x25mm Material: 9CrSi Hardness: 58-59 HRC Angle of cutting edge:  20° of tip Cutting edge: double cutting edge To get a quote or more details sooner about this slitter knife  , please email us at phoebe@lcblade.com OR whatsapp +86 13399550005 Circular cutting & slitting knifes from Licheng Blade Manufatory is always popular with clients worldwidely. Knifes are mainly used in rolls cutters, slitters and rewinders. You can easily find right slitter and cutter knifes here for foil, film, tape, rubber, fabric, paper, label, cardboard and so on rolling products cutting & slitting. Knifes from Licheng Blade Manufatory is always popular to clients worldwidely due to 1. Superior choice of material of knife for different products to meet diffrent requirements from clients; 2. Advanced and experienced heat treatment to ensure a good hardness of knifes; 3. Excellent precision and strict inspection to make products and quality effecient and stable; 4. Large production capability, abundant stock, available customization to provide a best service & solution of knifes supplying.