"The Natural Philosopher" wrote in message
...
Tony Williams wrote:
In article ,
mike wrote:
Went in to B&Q today and was given a nice "carpenter's pencil" -
at least this is what I think they are called.

Not circular cross-section but rectangular 15x5 - with
rectangular lead as well.

What is the original purpose/advantage of this design?

You sharpen it to a chisel edge, and this allows more
finer lines to be drawn be drawn before resharpening.

Or on the edge of an angle grinder..;-)

LOL! I use a bench-mounded belt sander. I'm really intrigued by the
"mechanical" sharpener though....