The PITT Artist Brush Pen Set in Shades of Grey from Faber Castell includes 12 Brush Indian Ink pens. The pens have a flexible brush tip making it easier for the ink to flow onto your paper. The pens come in a selection of different shades of grey.Use this set to create a master piece the pigmented and very lightfast drawing ink is ideal for sketches, drawings, layouts, fashion design and illustration. The ink does not bleed through the paper.Features & Benefits Includes 12 pastel pens The ink is waterproof, permanent and lightfast drying Pens come in array of 12 different grey colours Odourless, acid-free, PH neutral