Staedtler's Black Stick 430 Ballpoint Pen has a medium nib and is ideal for everyday use. With lightfast ink, it dries immediately and is smudge-proof, so you can be sure your work won't smear as you write. The pen's cap matches the ink colour, allowing you to easily find the right one, and its handy clip is perfect for use around the home, office, school or even on the go.