Staedtler Case 12 Markers Pigment Liner 308 Fineliner markers for writing, drawing and sketching.Pigmented, indelible ink (according to ISO 14145-2), lightfast and waterproof on paper.Can be erased on tracing paper.Does not bleed through when highlighting.Long metal tip, ideal for use with rulers and stencils.Airplane-safe-automatic balancing of ink pressure to prevent loss in flight.Available colours: yellow, orange, red, fuchsia, violet, blue, light blue, light green, light brown, brown, grey.Line width approx. 0.5 mm. Brand: Staedler.