Cart Pen is the most popular writing instrument which has evolved through time. This is due to the fact that it is simple, reliable and convenient to carry along with you wherever you go. The mechanism used in a Cart Pen is basically ball bearings which are arranged to provide a smooth and rounded tip. This helps the user to write directly on the paper without the fear of losing any of the ink when it runs out.
Writing instruments like this are used widely by people to convey their message or express their point of view to other people. It can be safely assumed that this is a great way of conveying a message while avoiding the possible wastage of ink. Many leading business houses use this kind of tool for managing their accounts and records. Besides, it is widely used in schools to promote good writing habits among children.
There are plenty of colors to choose from which help to make it more attractive. Some of them are well known brand names like Parker, Waterman, Quills etc. Though they are generally used for outdoor purposes, one can also get them fitted in some desk drawers and other writing instruments. You can buy them either from the market or from specialised dealers online. You can also buy them from auction sites as well.