Set of 4 Faber Castell Ecco sketching pens.One of each size: 0.1mm, 0.3mm, 0.5mm and 0.7mmThe popular and reliable ECCO PIGMENT fibre tip pens from Faber-Castell are suitable for writing, drawing and sketching. Thanks to their special pigmented ink they are also ideal for use on drawing paper and transparent paper. The pigmented ink is waterproof and lightfast. The long metal-clad fiber tips in 4 different line widths work accurately with stencils and rulers. Ideal for writing, drawing and sketching.