Uniball UB150 Eye Ultra Micro Rollerball 0.38mm Fine Nib Black Pen come with a fine 0.38mm nib, ideal for precise fine writing output. Each pen has a unique black ink flow system that ensures continuous flow for superior writing performance. The barrel utilises a handy see through window to monitor how ink level. The rollerball incorporated in these pens ensures perfect ink flow from the micro nib 0.38mm tip and out onto the media. Special ink dries permanent making them ideal for everyday tasks at home, school and the office. When dried, the ink takes on superior fade resistant and waterproof properties. This pack contains 12 black pens. Each one comes with a protective tip cap and handy pocket clip. Comes in pack of 12 pieces.