

📐 Carry Precision, Draft Brilliance.
Mr. Pen’s Small Architectural Scale Ruler Set includes two 6-inch triangular rulers crafted from durable aluminum. Featuring laser-cut imperial scales for precise, scratch-resistant measurements, these pocket-sized tools are designed for architects, engineers, and designers who demand accuracy and portability in their drafting essentials.







| ASIN | B0BZBFLVDG |
| Best Sellers Rank | #7,013 in Office Products ( See Top 100 in Office Products ) #46 in Drafting Tools & Drafting Kits |
| Brand Name | Mr. Pen |
| Color | C. Black & Blue |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,688) |
| Manufacturer | Mr. Pen |
| Material Type | Aluminum |
| Part Number | ETKI002M309 |
| Style Name | Modern |
| UPC | 840316908634 |
L**V
Really cute!
It's so small. It's perfect to carry everywhere and use anywhere, I love it. Real sturdy and good quality.
S**Z
What are these? Scales for ants? But really, they’re nice!
Sometimes you see a product picture and it’s obviously photoshopped into whatever scenario the picture is depicting. I saw these scales and was like “no way they’re that small”, but they are indeed that small! Perfect for me to carry around in my pocket at work. They’re the width of chopsticks, ink pens, pencils, other things of the same size (you get the point), and they’re super lightweight. A downside is the readings are also small. If you need to use this more often than every once in a while, you probably want a bigger scale, but for me it’s perfect. I’ve bought Mr. Pen products in the past and I like the variety of things they offer. Everything I’ve gotten from them feels sturdy and well made. Their prices won’t empty your wallet and you get a mustache sticker with every order!
Y**H
Very convenient
Very convenient rulers. I love the size of them. They are light but super strong. This can be carried at all times and will still hold up.
L**D
excellent pen-bag sketching tool, annoying rule misalignment
Pro - really a nice quality bit of kit. Fits perfectly in my pen case, sturdy but light, nice anodized finish. You can put enough pressure down on the upright/vertical spine to hold it in position with just a couple fingers and it is quick and maneuverable on small sketch pads, slides between double loop wire bindings! it is going to absolutely rock as a straight-edge. Just feels classy! Con - the limited surface area has forced the creators to put use label sizes that cause the measured rule lines to NOT line up from face to face. (I think this could have been avoided with better font choice- or just setting the alignment off the zero tick instead). -this really isn't a deal breaker, no one is going to do serious drafting with this tool, I mean, hardly any serious drafting is done on paper anyway. BUT I have gotten burned on this twice now when laying out a sketching grid for perspective. I just have to remember to ensure the tick marks are aligned on the working edge. Again, not a huge deal but it feels like an annoyance that could have been pretty easily avoided.
M**A
Surprisingly well made and convenient
Great for doing print take offs and for small field print checks. My company’s blueprint PM was even impressed with the design and ease of use. Easy to read and works well. In some instances it’s more useful than a full sized variant
E**I
Wonderful for on the go sketching.
Wonderful little straight edges for drawing. I do a lot of thumbnail sketches for painting and drawing and these are wonderful and tiny and fit right in my pencil box and go anywhere. They are exactly as described in the product page, same size. Solid, durable and made of a lightweight metal. I bought two sets because I tend to lose things and at the price point, you can't beat them.
J**D
Very sturdy, handy and useful rulers. Tiny and strong.
Perfect size for all our drawing needs. One is orange, one is green, both happened to be my hubby's very fav two colors. Coincidence but wonderful surprise.
E**Y
Hard to hold
very hard to hold against the paper and there's nothing to hold on to.
A**K
Awesome little rulers. They fit in my drawing case perfectly. love them
N**A
Small, practical, and really well made! Perfect for keeping in my pencil case or desk. Great quality from a reliable company, I love it!
I**M
These are useful but I find them a little too small, particularly from a handling perspective. If you've got young nimble fingers the size might not be an issue.
J**A
I bought these to continue drawing plans for a patio project on my home during transit down times for an upcoming trip. They are sturdy but light, accurate (I checked with my full size architectural ruler) and highly portable. They fit in a tiny pencil case along with my crochet hook. Very happy about the purchase, especially since it’s a teacher-owned business! Will definitely be buying from them again !
S**S
6" Architectural Scale with easy to read graduations.They seem to be of good quality and the graduations are holding up so far without fading.
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1 month ago
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