Colour ink: Red, Nib type: round, Box of 10 pens, stroke width of 1-2 mm, highly opaque and permanent labelling even on dark and transparent materials, e.g. metal glass and plastic, paint-like ink is quick-drying weatherproof extremely lightfast and wear-resistant, heat-resistant up to 400 °C, Low-odour ink with no added toluene/xylene, High-quality aluminium barrel