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The blue half is basically...
May 2, 2013
Verified Purchase
The blue half is basically useless. Erases nothing- not ink, not pencil, not toner. And it's mostly blue so you're better off just getting a straight up mars plastic. At least it will be 100% useful. Oh we'll, I have a small eraser with a blue rubber handle now... :)
3 people found this helpful
Bought a bunch of erasers...
July 2, 2013
Bought a bunch of erasers to see which one was best at removing Rotring Rapidograph drafting ink from vellum — my M.Arch professors decided to go all hardcore old school on us and make us learn how to make architectural drawings the OLD WAY.

It's freaking hard work! And You make one tiny mistake in ink and you have to try and erase it from this 5-dollar-a-sheet translucent paper, and if you use the wrong eraser it only makes a huge smudge and basically you've wasted not only money, but a lot of time. So I did some test drawings and erasings, and the blue half of this eraser was one of the best ones at removing the ink from vellum. (It may not work on pencil or on paper, but that's not what it's for.) Also it keeps a hard edge, so it's possible to erase one tiny little line next to other things you want to keep, and not ruin everything.

So if your professors are giving you this sort of "builds character, hair on your chest" drawing challenge, I suggest this eraser.
2 people found this helpful
May 18, 2012
DO NOT BUY THIS!!! It DOES NOT erase ink, and if you do buy it and you say "oh I'll just use it as a regular eraser" you can't. If you take off the dark blue cover, it is 1/3 plastic eraser and 2/3 blue rubber.
2 people found this helpful
2/3 blue eraser that...
December 19, 2012
2/3 blue eraser that doesn't erase ink but is ok at pencil
not recommended
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