A pen with a tiny ball as its writing point. The ball transfers ink from a cartridge to the paper. The most popular writing instrument.
A pencil with a plastic or metal case and a replaceable lead that may be extended as the point is worn away with an easy click function.
Roller ball pens are pens which use ball point writing mechanisms with water-based liquid or gelled ink, as opposed to the oil-based viscous inks found in ballpoint pens.
A pen that uses a gel-based ink, combining the permanence of oil-based ballpoint ink and the smooth glide of water-based ink.
A pen with a reservoir or cartridge from which ink flows continuously to the nib.
A broad felt-tipped or brush pen that overlay a transparent fluorescent color on the text or draws exciting lines as part of the illustrations, highlights.
Some of the pens can be refilled, making them economical and environmentally friendly. Different pens take different refills.