Paper cutting circular blade from Licheng Blade Manufatory is always popular with clients worldwidely. Use only premiun material selected for knife application of different machines, cardboads, and speeds; Excellent products with longer service life at reasonable prices; Large production capability, abundant stock, available customization. Detailed parameters: 1. Basic size (ODxIDxT) : 230x110x1.2mm 2. Material: HSS/TCT 3. Hardness: 62-64HRC / 90-96HRA 4. Bevel & Angle: two bevels on two faces