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I bought nearly every...
January 24, 2016
Verified Purchase
I bought nearly every block eraser that Japan makes in a recent shopping binge. As a math major, I need lots of erasers as it is, but I also wanted to determine which ones worked best for my needs. I tested all of the erasers on three different types of pencils: a Pilot Eno color .7, a Pentel graphite .5 and a Pentel color 2mm, and then on three different paper types: Rhodia, an index card, and then plain old American junk copier paper.

The type of paper wound up not mattering with the performance of any of the erasers. What mattered was what they were erasing.

So with that established:

I don't know which came first, the Uni Boxy or the Ain Stein, but this one sort of loses out when it comes to the concept of re-shaping the eraser to make it distinctive to look at, yet more comfortable in the hand and more maneuverable on the page.

It's not as cool to look at as the Boxy, and it feels off, somehow. It feels sort of like a long mini-eraser, whereas the Boxy feels like it went out of its way to be completely unlike anything else.

As for erasing, the Ain does well enough with .5 and .7 leads, but not as well as the Boxy. The Ain erasers are oddly better at doing their job than the American Hi-Polymer versions that they're so much like, but they're still only middle of the road compared to other Japanese erasers.

I'm still shocked that these Ain erasers do such a poor job of erasing Pentel 2mm color writing. You'd think that the Ain people would walk down the hall to the 8 in 1 pencil department, cadge one that's laying around, and make sure the erasers they design will work on its marks, but obviously this hasn't occurred to them.

The only thing that the Ain Stein has going for it over its obvious rival, the Boxy, is that it doesn't stain anything in a pencil case, so I'll be able to toss it in there and use it up quickly. After that, I won't be buying more. There's just not enough as an eraser or as something different to have around to make it worth replacing.
3 people found this helpful
This is a really good...
November 29, 2013
Verified Purchase
This is a really good eraser...way better than my staedtler mars ones :)
it's totally worth it!!
2 people found this helpful
I love the color scheme...
September 18, 2015
Verified Purchase
I love the color scheme of black and pink. This eraser is better than average, but not perfect.
1 person found this helpful
Not a bad eraser but...
June 8, 2016
Verified Purchase
Not a bad eraser but it is stiffer than the standard Pentel Hi-Polymer erasers, which seem to erase more thoroughly. It does, however, look really cool in the metallic sleeve. I have a soft spot for black erasers.
Fantastic! It's small...
January 30, 2016
Verified Purchase
Fantastic! It's small and great for when you'll be out and about. I take the local trains everywhere, so it's great to have something small enough to shove into my pocket easily when the trains pull up to the stations. It erases wonderfully, and does shed a bit, though not enough to be much of a bother to me. Will definitely purchase again!
after using it,I couldn't...
March 17, 2015
Verified Purchase
after using it,I couldn't stop. Compared to the others I have, this one is amazing
I love these erasers....
February 7, 2015
Verified Purchase
I love these erasers. They leave nothing behind except eraser dust, no pencil markings.
drea nicole
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