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12” Woodworking Square Ruler – Preciva Right Angle Ruler Carpenter Square Layout Tool, Features Stainless Steel Blade, Retractable Ledge, 1/16” and 1/32” Notch Spacing and Multi-Angle Scribe Mark
0 out of 5
$20.99 Original price was: $20.99.$18.99Current price is: $18.99.
SKU: B0CJF4YFR6
- Size Guide
- Reviews (13)

| Size | DHL Box | Internal Dimensions (cm) | Max Weight (kg) | FedEx Equivalent (approx.) |
|---|---|---|---|---|
| XS | Box 2 | 33.7 × 18.2 × 10 | ~1 | Small Box (8″×8″×8″) |
| S | Box 3 | 33.7 × 32.2 × 10 | ~2 | Medium Box (12″×12″×10″) |
| M | Box 4 | 33.7 × 32.2 × 18 | ~5 | Large Box (13″×13″×11″) |
| L | Box 5 | 33.7 × 33.2 × 34.5 | ~10 | FedEx 10kg Box (40.16 × 32.86 × 25.88) |
| XL | Box 6 | 41.7 × 35.9 × 36.9 | ~15 | FedEx Large (16″×16″×16″) |
| XXL | Box 7 / 8 | 48.1 × 40.4 × 38.9 or 54.1 × 44.4 × 40.9 | ~20–25 | FedEx Extra Large (42 × 42 × 47) |
13 reviews for 12” Woodworking Square Ruler – Preciva Right Angle Ruler Carpenter Square Layout Tool, Features Stainless Steel Blade, Retractable Ledge, 1/16” and 1/32” Notch Spacing and Multi-Angle Scribe Mark
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Len Rosen –
It is spot on accurate and the perfect size
I have been looking for a good Try Square for a long time. I am happy I found this one. This is perfectly square. It is spot on accurate and the perfect size. I especially like the build quality and the many functions it has for layout. It has many more features than a basic try square.
Mikeyfishinâ –
great marking square!
It arrived square and the simple addition of the retractable brace, on the end of the handle, makes this my “go to” marking square. Love it and love the design.
Bob R. –
Perfect size for woodshop use
Nice square made of quality materials right on point as far as not being accurate and the correct size for checking table saw fences joiner fences or anything you may be building. Itâs easy read and the perfect size for perfect function. As soon as we can.
M. W. –
This thing is awesome!!!
Itâs a square. It does what itâs supposed to do. BUT – what I like best about it, is the little slide at the bottom of the short, fat leg that slides out and lets the square balance perfectly on the surface. No twisting, no clamping. Just fast and easy 90 degrees.From what Iâve been able to see, itâs extremely accurate, easy to use, and easy to read. AND it has a bunch of other functionality that makes it even more versatile (pencil holes a-go-go!).Canât beat the price. Canât beat the functionality. And the orange color is hella cool too!!
Matt Vedder –
You wonât regret it.
Iâve toyed around with it, but so far, the 10 minutes I used it was well worth the purchase!
Jeremy –
Great for DIY projects
I have been using speed squares for everything for a long time and decided to give something else a try and see if I could have better success. I saw this and for the price grabbed it to give it a try. This is good quality and I have had more success getting nice straight lines and I love the little tab that pushes out to lay on the edge to keep it flat.
JimBob –
Perciva Hole Ruler — no regrets
Fast, secure shipping. Very well made. Definitely not a cheap Chinese knock-off. Substantial quality and accuracy is spot-on. The retractable support tab is a nice touch.
DJA –
Nope
It really grinds my gears to spend time and effort researching products, relying on reviews, and then receiving a product that is junk. This is such a situation.This highly rated tool is not only out of square, but it also has a high crown that is seen when putting the top edge down on a flat surface. This will teeter back and forth more than 1/16″.I could have received a bad one, or most reviewers simply aren’t really concerned with accuracy. Many people have become conditioned by sketchy Chinese quality and just accept what they get.This MIGHT be OK if you just need a guideline for cutting a 2×6 with a circular saw, but it’s not usable for anything involving joinery.Since accuracy actually matters to me, this goes back. Not recommended.
Guy Matte –
Pretty much what was advertised. Really happy with it.
K8888 –
It’s a nice mid sized square for small to medium sized projects! A couple neat features to make some jobs easier and quicker like the little bar in the base to support it, the angle lines for quick angular marks, and the holes for fast easy line scribing parallel to your edge. The built in scribing point is useful if you haven’t got an pencil handy as well. All in all a good square for everyday use.
Mark –
This is a nice square and it has been immensely useful in my shop so far. I really like it and its many uses. However I will admit it’s not perfect I get slight variation due to the hole size and there is the most minor of wiggle from the tool when using the pin to hold it in place. Otherwise it’s been great.
Les –
I finally found a square that is genuinely square without having to spend hundreds of dollars! This tool is incredibly well-built and offers excellent accuracy, which is essential for any woodworking or DIY project.The measurements on the ruler are easy to read, allowing for quick and precise adjustments. I also appreciate the thoughtful design feature of the small bar that extends from the base. It keeps the square flat against the work surface, ensuring stability while I work.Overall, this square has exceeded my expectations and is a fantastic value for the price. If youâre looking for a reliable, high-quality square that wonât break the bank, I highly recommend giving this one a try!
Aurelio Cunha –
Great for the everyday job. Love all the pin holes to make the angles very easy and fast. Makes cutting accurate and easy.