No one can deny with the fact, how useful the pocket knife are when you go for any type of excursion. The pocket knives are popularly known as the jackknife and it is worth having as it can be of use any time. They are the most versatile tool that contain several blades and other tools. The blades are not more than 3 to 5 inches and can be used for almost anything right from opening a post, slicing a guava and cutting twine.

A pocket knife can be better understood as a folding knife with blades that fit in the handle and so small to easily accommodate in a pocket. Most of the pocket knives are slipjoints where the blade does not lock until and unless a certain amount of external pressure is applied to the blade. They come with several blades with serrated and plane edges and a number of tools like scissors, saws, cork screws and bottle openers.

Then there are pen knife and credit card knife. The most commonly used pen knife, comes with more petite look having just one or two pen blades and comfortably slips into the pocket. The credit card knife resembles a credit card and is very thin that it can be easily placed in a wallet like that of a credit card. It is surprisingly true that this small knife also contains other tools like tweezers or toothpicks as well.

Nowadays these knives are well equipped with blades and tools of multiple uses and most of them come with lifetime warranty.