These pencil sharpeners are used to give a corrected edge or tip on the pencils so that they become usable. Sharpeners generally last long depending upon the usage. Basic sharpeners are readily available for usage by multiple people at one time as compared to the desked automatic machine based sharpener. Pencil sharpeners are necessary in almost every sector and are an important accessory for the continual and active usage of pencils. Sometimes there are offices and businesses which refer the acquisition of automatic pencil sharpeners which work without the need of human effort and activate with the press of a button. These automatic machines used for the simple purpose of sharpening pencils are a more modern aspect and take on the whole subject. It is considered more professional and faster and gives a more business look. Most companies have these automatic sharpeners placed on almost every desk or so.