LePen Technical Drawing pens feature pigmented black ink that is great for all drawing and illustration. They are waterproof and permanent when dry, making them popular for mixed media work. The smooth micro-fine plastic point allows for precise accuracy, and the ink is acid-free and non-toxic.
Set of 4 pens includes one of each of the following nib sizes: .05mm, .1mm, .5mm and .8mm.
