These are an excellent brand of pencils from the Derwent, a very old British company who specialise in art pencils and pencil accessories.Derwent Graphic pencils come in an extremely wide range of grades from 9H (extremely light, and hard) all the way through to 9B (very soft, and dark). You can find an explanation of the different pencil grades in this article.
I mean, sure—his is proof of having mastered a difficult subject over many years of study in some of the country’s most respected academic institutions, while mine’s just a mechanical pencil. But with its ergonomic triangular grip, a jumbo twist eraser, and a continuous-use spring tip, my black cherry PhD mechanical pencil can do something my friend’s elite humanities pedigree can’t.
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This refillable, retractable pen with a pocket clip features a conical tip and a triangular rubber grip. The Paper Mate PhD Retractable Ballpoint Pen's ergonomic design reduces writing fatigue. The Lubriglide ink system produces smooth lines and intense color for a professional look. Paper Mate PhD Retractable Ballpoint Pen, Medium, Black Ink.
This pencil has a built-in ratchet at the tip to automatically rotate the lead a little each time you lift the point from the paper. If you think that’s a bit of overkill, you haven’t suffered through a lot of mechanical pencils with the lead wearing down in odd forms and shapes with extended use.
Paper Mate PhD Ultra Mechanical Pencil, 0.5 mm, Black Barrel, Pack of 3 (Bulk Packaging): Amazon.ca: Office Products.
Several folks have asked us to post something about pencil degrees, especially since those of us in the United States have pencils which have plain numbers to write with, while we have confusing degrees on our art pencils and drafting pencils.
The Paper Mate PhD Retractable Ballpoint Pen is a useful and attractive product. It's not too big and fits comfortably in one's shirt pocket. And yet, the barrel is sufficiently wide that it is recommended especially for writer's with large hands. It is a handsome writing instrument.