For precise cutting and fine material slicing, ideal for work with Paper, Film and other Thin Materials. A razor-sharp acute angle blade that integrates premium steel, Japanese-style tempering and multi-step sharpening to produce an exceptionally smooth and fine quality of cut. High quality Japanese design 3/8 inch, 10 blades Premium Cutter Series, 30゜Acute Angle Razor Black Blade™, 7-point, 10-blade, hard case