Cemented Carbide Engraver 0.8 mmCemented Carbide Engraver 0. 8mm Cemented Carbide Engraver blade for handle BD0058 D. Size 0. 8 mm Single carbide engraving blade made of tungsten carbide, which makes it highly resistant to abrasion and significantly harder than ordinary steel. Its width is only 0. 8 millimetres, which makes it very well suited for high precision engraving work on plastic models, such as creating delicate dividing lines on airframes or aircraft fuselages. This blade