The uni-ball PIN is an excellent value drawing pen which features uni-ball’s signature fade proof and water resistant Super Ink – great for when you need your work to last. Its solid, pigment ink line can easily be used with watercolour as the ink will not smudge when wet.The wide range of nib sizes available in the PIN range mean you can create several line widths, making it ideal for professional artists and illustrators, graphic artists, architects and amateur hobbyists alike. The nib is supported and protected by steel meaning the PIN drawing pens are long-lasting and will not be damaged from use with stencils. Set contains 0.1, 0.3, 0.5 Black