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I first bought these...
July 21, 2013
Verified Purchase
I first bought these mechanical pencils back in the early 90s when I was in college for doing mathematics and engineering homework. The Pentel Graph PG500 series pencil is an older model that holds up and performs well as I can attest to. The last one I had lasted for almost 20 years but was recently lost. Very glad to see they are still available.
1 person found this helpful
On the light side of...
August 18, 2012
Verified Purchase
On the light side of drafting pencils. good construction. great for long term use.
1 person found this helpful
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