Use for sketching, presenting and mind-mapping Portable display case of 20 vibrant colours Extra fine, robust, metal encased tip perfect for use with rulers and stencils Assorted colours of black, dark blue, red, emerald green, light green, ice green, olive green, yellow, orange, violet, pink, brown, crimson, turquoise, ultramarine, azure, lilac, light grey, dark grey and dark ochre 0.4mm line width