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The eraser erases very...
March 6, 2010
Verified Purchase
The eraser erases very well, but the mechanism that holds the eraser slips occasionally, allowing the eraser to slide back into the holder. I need to extend the eraser often to compensate. The mechanism only slips when I hold the eraser perpendicular to the paper and am pushing down hard. If you only hold the eraser at an angle to the page, friction holds it in place well and you won't have any slippage problems.

If you are considering this product, the Tombow Mono Knock 3.8 is also worth a look.
4 people found this helpful
Does exactly what you...
February 28, 2015
Verified Purchase
Does exactly what you would imagine. I use ain stein 2B lead and find myself reaching for this quite often. I have the Kokuyo Student eraser that I tend to use as my desk, but while in class etc, I always reach for this E-Knock. I'm a math student (and tend to write fairly small in general) so this allows me just erase with some precision in comparison to a standard block eraser
1 person found this helpful
These erasers look better...
February 9, 2015
Verified Purchase
These erasers look better in real life! The plastic is very hard and matte, not like the usual shiny, easily-cracked plastic barrels you may encounter elsewhere. I used to use pentel clic erasers since they were readily available in most stores, but I wanted something even more accurate for drawing since I tend to draw small. The diameter of these erasers are smaller than the pentel clic erasers that I mentioned, and the eraser itself is smooth and doesn't smudge! The eraser you get is quite long, too, and you can buy refills at a very affordable price. I was going to go with the mono precision erasers, but I'm glad I opted for this one, it's perfect (and it's nice to look at, always a bonus for me)!
1 person found this helpful
I really love this eraser....
July 18, 2012
Verified Purchase
I really love this eraser. I've had many different kinds of erasers, and this works the best when writing essays(timed) and drawing. It erases mechanical lead better than a wooden pencil. The only problem I had was the eraser ran out fast for me! Good thing they sell the refills!
1 person found this helpful
katie.e.yang
I have had this eraser...
April 27, 2016
Verified Purchase
I have had this eraser for almost a month, and it has held up well. I use it primarily to erase when I'm studying and writing out Japanese characters. I use the standard Kuru Toga mechanical pencil, and I feel that the way the eraser is designed on it is not good at all, so I use this E-knock in its place.

Due to its small size, this eraser generally works great for erasing strokes or whole characters without feeling too clunky doing so. It's about the same width as my Kuru Toga, which makes it great to use both interchangeably. All in all, it's cheap, but seems sturdy so far, and I know I will come back to buy more in the future.
Very good size for a...
April 16, 2016
Verified Purchase
Very good size for a day to day eraser. Clear up mistakes well and has a great retraction ability.
wolskiman
Best ever eraser!! ...
April 10, 2016
Verified Purchase
Best ever eraser!!
goodginger1
Perfect! No residue or...
April 6, 2016
Verified Purchase
Perfect! No residue or smearing. Very handy.
This is the best eraser...
February 18, 2016
Verified Purchase
This is the best eraser I've ever used. I do cryptograms and so I erase A LOT. This eraser clears away without leaving a trace or smudge.
6ylitelight
Convenient...
February 10, 2016
Verified Purchase
Convenient
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