A mechanical pencil, also clutch pencil, is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead". The lead, often made of graphite, is not bonded to the outer casing, and can be mechanically extended as its point is worn away as it is being used.

What is the use of pencil in drafting?

A › pencil (also called: graphite pencil) is a writing utensil with a graphite lead embedded in a wooden shaft. It is mainly used for artistic sketching and drawing, for stenography or notes. Its benefits are the simple usage as well as being able to remove what you've drawn with an eraser.

What is the difference between a drafting pencil and a regular pencil?

What is the difference between a drafting pencil and a mechanical pencil? One of the main differences is that a drafting pencil has a longer lead sleeve. The lead sleeve on a pencil is the part of a pencil that extends from the cylinder and ends where the lead comes out.