These Uni Pin Fineliners are perfect for drawing and drafting thanks to the Uni Super Ink which is permanent, waterproof and fade proof. These markers write super fine lines from a strong tip which will last a long time without spreading. The fineliners have a window cap which displays the point width so you can easily find the liner you are looking for. These liners have an assortment of nib sizes, including 0.1 mm, 0.2 mm, 0.3 mm, 0.5 mm and 0.8 mm. They are a great option for drawing, sketching and drafting. The liners contain Uni Super Ink, which is permanent, fade proof and waterproof. The pens have pocket clips so you can easily take them on the go. The super tough tip will ensure these pens can withstand pressure and last a long time. There are 5 black fineliners in this pack. The window cap displays the point width for easy identification.