Letter opener, usually used to separate the pages of a large sheet of paper, is also known as paper knife. It is, indeed, a sharp knife-like object. Typically, when writing documents are purchases, they are uncut. Hence, to cut and slit them, letter opener is needed.
Also known as slitter or envelope opener, these openers have strength to handle a greater volume of envelopes and letterheads. Though blades are also sharp enough to separate pages, but due to its poor grip, it can damage pages and envelopes. Hence, specific letter openers are used to provide perfect slit and smooth edges. Traditional letter openers can also be used as dangerous tools for assault or sometimes even for self-defense. |