1.tungsten carbide 2.precise,sharp 3. wear-resisting 3.no burrs or indentation 5.MOQ:30 pieces Material:tungsten steelCharacteristics:very sharp and endurable ,little cut resistances and no burrs or indentation when cutting.Your costs will be reduced using our products.They are worth your trusting.The drawings are accepted.If any needs,please contact us. paper cutting circular blades