Review – Tombow Mono Zero Erasers

A few years ago I was aiding my brother in the search for a good separate eraser to go with lead holders (that often don’t have their own erasers), and that lead me to review the Sanford Peel-Off Magic Rub, which is essentially a Magic Rub eraser in the same body Sanford uses for their Peel-Off China Markers. And to me that was the answer. I knew there were mechanical erasers, but they were mostly cheap little things, or not available in the stores I frequented. It wasn’t until a few months ago that I found the potential simple, high-quality solution of the Tombow Mono Zero mechanical erasers and I got them as fast as I could. Are they up to the task?

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The body is super simple, being a cylinder about the size of a pencil and a little over 3½” long. It comes in 2 different colors: silver for the round eraser, and black for the rectangular one (it’s made of plastic either way). At the front there is a step-down to the “lead-pipe” of sorts. This “pipe” being cylindrical for the round and flattened for the rectangular is the only other main physical difference between the two. The (lead/eraser) pipe is a nice, stiff metal that cleanly guides the eraser as it extends. On the back, there is a non-removable, simple push-click mechanism with an integrated clip. The clip is good but not superb at clipping, while having the advantage of being very structurally sound (something most plastic integrated clips are not). On the top of this mechanism is a sticker with the eraser’s sizes: 2.3mm in diameter for the round “small” and 2.5mm x .5mm for the rectangular “slightly less small”.

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Performance is good; the click mechanism is sound and has a satisfying feel, retracting and reloading are simple and both done from the front end (reducing the number of failure points but also making disassembly functionally impossible). The erasers are of the white variety and erase very well. They aren’t the absolute best I’ve seen and they won’t get rid of every single mark, but they are both quite tiny and precise, making them very useful in those fine detail areas other eraser wouldn’t even be able to get to.

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They are very good erasers, but more as a set to complement others than on their own. For writing, pocket and backpack sketchbooks, or those who do a lot of detail work, they will be fantastic, especially if one gets both to use in different situations. But for general use, they obviously don’t have the huge, quick-erasing capabilities of a standard eraser, and I’d imagine that in most people’s use cases they’d augment and not replace one. Still, I am one of those people who like to write and do finer-detail drawings more often than other types and they have earned a place in my pencil bag that I don’t see them moving out of any time soon. So if you’re looking for a fine mechanical eraser to easily carry around, fit in with your pencils, or do detailed work, I’d say take a look at these.

Review – Staedtler Mars Plastic Eraser

Interesting tidbit with this review; I was ordering a replacement for this products (because spoiler: I liked it) and I ended up with something that I wasn’t expecting. While my original Mars Plastic eraser came in a humble card sleeve (as most still do) my new ones came in a fancy plastic swivel case. So this review will really be two parts. One for the eraser itself, and another for the upgraded container they can come in.

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The eraser is a standard seeming white plastic/rubber rectangular prism that measures about 2½ x ¾ x ½ inches and is marked in a regular pattern subtly with the Staedtler logo on two sides; the four smaller sides are essentially flat. Since it is an eraser there isn’t much more to say about the looks, but how does it work? Well, I really like it. I go back and forth between hard and soft (kneaded rubber) erasers. I’ve currently moved back to the hard erasers because I can see when their ability to erase starts to be diminished more clearly (by being shorter rather than slightly darker). In my experience it has erased almost every pencil line I’ve asked it to, and it is better than the ones usually found at the store (save Magic Rub), but comparing higher end erasers is very difficult. They all do their jobs well and it’s mostly a matter of personal preference (and sometime pencil choice) as anything else, but that’s where a fancy plastic case might stand out and make a difference.

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The case is slightly larger in every dimension (duh) than the eraser. The top and bottom are made to resemble the traditional card-wrapped eraser, with a white bit extending from the blue eraser identification part. A larger Staedtler logo covers the pivot on one side in this white area. On this white end attached to the pivot on the inside is a cut-out box that is about an inch on one side and an inch and a quarter on the other. This box has eight small ridges on the inside to grip the eraser, and it pivots 180 degrees from having the eraser tucked inside the rest of the case to being fully exposed. It can go farther, but at risk of breaking the back of the case. This allows for easy dispensing of the eraser with one hand and provides a nice sturdy handle when erasing. It also protects the eraser from getting gunky or gunking up other things (the inside does get a bit dirty/gunky sometimes, though). I’m a fan of the case (but being nitpicky the two smallest ends are rounded off and the eraser will not want to stand up on them).

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So in the end the Staedtler Mars Plastic is a good, but not exceptional, eraser. It’s not like it erases every pencil line in one stroke, or is virtually crumb-less, but it does get most pencil lines with relatively few crumbs. It works well, and I really like the case for the convenience and protection it provides. I’ve been using it (and flipping it open compulsively) for a bit and it doesn’t show any signs of breaking soon. Though it does make the eraser a considerable bit larger and limits use of about half of it. It’s a nice change of pace and experiment if one wants to spice up their eraser life.