Pentel Ain Clic Knock Triangular Eraser with Clip - Metallic Purple Body

Pentel Ain Clic Knock Triangular Eraser with Clip - Metallic Purple Body

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4.5 (11 reviews)
DescriptionSpecificationsQuestions & Answers
Pen-style erasers are becoming increasingly popular because they are convenient, mobile, and ergonomic. The popular AIN eraser now comes in a new triangular holder form. The triangular shape was purposefully chosen to address two eraser functions. The wide sides can be used for the erasing of large areas, while the three corner points can be used to erase areas requiring more precision. Each holder contains a generous amount of eraser, and eraser refills are available. Just press the top cap to extend more eraser. Holders are available in metallic red, blue, green and purple colors.

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This item: Pentel Ain Clic Knock Triangular Eraser with Clip - Metallic Purple Body - $2.50
Total Price: $3.85

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Customer Reviews

I use this erase almost...
January 21, 2013
Verified Purchase
I use this erase almost every day. Sturdy, reliable dispenser, holds eraser even with hard or large erasing efforts. It erases well and clean, and with its triangle shape always has at least one good corner to erase with.
2 people found this helpful
I went on an eraser shopping...
January 24, 2016
Verified Purchase
I went on an eraser shopping binge the other day. 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:

The Ain performed adequately with .5 and .7 leads, and even did better than its dust-gathering cousin at these tasks. However, just like the dust-gathering Ain, the triangular eraser could not erase the Pentel 2mm lead well, although, to its credit, it took out more of the color with less effort. For other erasers, not erasing the 2mm lead has been a deal breaker.


I love this eraser's click mechanism, just like a normal pen. It's much better than the chintzy American round version. I also like how easily the eraser retracts when I'm done with it, and I adore the sophisticated metallic color of the barrel. The triangular shape feels awesome in my hand, and the eraser being the same shape means that I can get it into small spaces to erase one number or letter, or it can get between graphs to erase one part of a line without taking out anything else. I had a lot of fun seeing where it could go and what it could do.

Despite its middle of the pack performance at erasing, the other features of this triangular AIN has it bumping the Pentel Clic from my pencil case as a small spaces eraser. Now if only Pilot or Sakura would make their foam erasers in a barrel design just like this one...
1 person found this helpful
Cool color and the eraser...
August 12, 2009
Verified Purchase
Cool color and the eraser is good. The only thing i don't like is how the eraser sometimes gets sucked back in when you erase too hard. It doesn't stay in place like the Staedlers
1 person found this helpful
Cute and functional......
April 11, 2016
Verified Purchase
Cute and functional... what more can a girl ask for?
I bought this in 3 colors...we...
June 14, 2015
Verified Purchase
I bought this in 3 colors...we do crossword puzzles a lot. One is for home, one is for travel, and the other...just in case. The refills are obviously for when we wear it down.
These allow you to be very precise in your erasures and are less frustrating than the larger, round ones. The click mechanism also seems to work a bit better than the round one.
Best of all, they do not roll anywhere...
I expect them to last a long while.
Highly recommended if you need a pencil eraser.