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A mechanical pencil or clutch pencil is a pencil with a replaceable and mechanically extendable solid pigment core called a "lead" / ˈ l ɛ d /. The lead , often made of graphite , is not bonded to the outer casing, and the user can mechanically extend it as its point is worn away from use.
Product lines include Sharp Kerry, Sharp P200 series, Graph 1000, Graphgear (500, 800 and 1000), Smash, Orenz, OrenzNero (mechanical pencils or "sharps"); Ain and Hi-Polymer (mechanical pencil leads, erasers); Energel (gel ink pens); Vicuña (hybrid ink ballpoint pen); Pentel Pen (permanent marker), and Sign Pen (fine tip marker).
The Blackwing 602 is a pencil that is noted for its soft, dark graphite, unique flat square ferrule and replaceable eraser. It was manufactured by the Eberhard Faber Pencil Company from 1934 to 1988, then by the Faber-Castell pencil company from 1988 to 1994 and by Sanford from 1994 to 1998. [1] The pencil initially sold for 50 cents each.
In 1979, Paper Mate introduced the Eraser Mate or Erasermate brand. [6] In the 1980s, Paper Mate invented the Replay 2000 pen, with erasable ink and a rubber at one end. In 2010, Paper Mate introduced "environmentally friendly" biodegradable pens, pencils and erasers. [7] In 2012, Paper Mate introduced the brand InkJoy. [8]
However, other marking materials are used, such as charcoal or cosmetics (as in an eyebrow pencil). Colored pencils employ pigments, including those used in oil and watercolor paints. Pencils may also have an eraser or "rubber" attached to one end, typically by means of a metal ferrule. Unlike pencils, pens use a liquid marking material, ink
Many pencils feature an eraser on the top and so the process is usually still considered incomplete at this point. Each pencil has a shoulder cut on one end of the pencil to allow for a metal ferrule to be secured onto the wood. A rubber plug is then inserted into the ferrule for a functioning eraser on the end of the pencil. [58]
Erasers may be free-standing blocks (block and wedge eraser), or conical caps that can slip onto the end of a pencil (cap eraser). A barrel or click eraser is a device shaped like a pencil, but instead of being filled with pencil lead, its barrel contains a retractable cylinder of eraser material (most commonly soft vinyl). Many, but not all ...
Although Mitsubishi Pencil started as a wooden pencil manufacturer, the company is no longer specialized in that product, focusing on mechanical pencils instead. [16] Uni-ball's writing implements brands include Jetstream (hybrid-ink ballpoint pens); Air, Eye (marketed as Vision in the U.S.A.) rollerball pens, Signo (pigment ink gel pens); Onyx, Kuru Toga (mechanical pencils); [17] Paint ...
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