The original Pentel Sign Pen. Soft broad acrylic fibre nib in twelve colours is ideal for a variety of uses including everything from expressive bold handwriting to graphic design. A best-seller since 1963 thanks to enduring quality and performance. Pentel RECYCOLOGY Pen - contains 83% recycled materials by weight. Original fibre tipped pen, 1.0 mm line width Dye based ink - grey Contains non-permanent water-based ink Acrylic fibre tip for smooth but durable writing