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Old 03-30-2016, 10:07 PM
Bullitt Bullitt is offline
Join Date: Apr 2012
Location: SF Giants Nation 10-12-14
Posts: 22,427
Math major here, many erasures in my day.

Staedtler Mars plastic erasers are by far the best, IME.

Originally Posted by Machine Elf View Post
In college, I discovered that there were kickass quality erasers available, like this one.
Yes I actually carry this with me and my mechanical pencil.

Those, or the little rectangular block ones. It's the eraser material that counts, not the shape, and these are the best. Other pink erasers can easily wear away the paper, especially with multiple erasures at the same spot.

Oh and I also used an eraser shield to protect my work aroung the mistake. Here are images: They are very thin metal.

Last edited by Bullitt; 03-30-2016 at 10:08 PM.