Alvin Tech-Liner Superpoint Drawing Pen/Marker black set of 5

Tech-Liner Superpoint Drawing pens are ideal for precision drafting. Their free-flowing ink and slim design offer a perfect balance for free-hand drawing or for any design work. These black ink, disposable technical pens are offered in five line widths and contain a permanent, waterproof ink that dries instantly. They contain extremely fine polyacetal plastic nibs set in .5 mm. stainless steel sleeves for extra protection.