Mechanical pencil
PENCIL WITH A REPLACEABLE AND MECHANICALLY EXTENDABLE SOLID PIGMENT CORE
Propelling pencil; Mechanical pencils; Clicky pencil; Clutch pencil; Leadholder; Lead holder; Technical pencil; Automatic pencils; Automatic pencil; Mechanical Pencil
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.