Colour ink: Yellow, Nib type: round, Box of 10 pens, stroke width of up to 10mm, permanent marking on rusty or rough surfaces e.g. metal stone and wood, Paste markers with twist-out wax-like nib, highly opaque and highly permanent colour paste is waterproof smudge-proof and extremely lightfast, Can even be used for writing on clean surfaces under water, heat-resistant ink 300 °C
