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Preciva 12” Carpenter Square Ruler - Aluminum Alloy Framing Square, Right Angle Ruler Metal Square with Edge Support, Multiple Angle Markings and Level Bubble

4.1 out of 5 stars 27 ratings

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Purchase options and add-ons

  • 1/16" RIGHT ANGLE RULER: The 1/16" scale, compared to the 1/8" scale of the standard carpenter square, provides more accurate measurement data. In order to read more easily, we also marked 1/4, 1/2, and 3/4 on 1 inch.
  • SPECIAL DESIGN: The unique edge support rack has a scale design, which can not only stabilize the handle, but also be used as marginal marks to draw lines. The newly added horizontal bubble of the handle can be used as auxiliary observation flatness.
  • ALUMINUM ALLOY SQUARE RULER: The carpenter square is made of aluminum alloy, the scale is laser calibrated, the markings are precise and clear, and it is highly scratch-resistant to maintain lasting accuracy.
  • ANGLE MEASUREMENT: The woodworking square has marking holes for angle marking, which can quickly mark 10 commonly used angles (5°, 10°, 15°, 22.5°, 30°, 35°, 40°, 45°, 50°, 90° ). Equipped with a scribing needle for precise scribing.
  • WIDELY APPLICABLE: The carpenter ruler has multiple functions such as measuring, tracing, and marking angles. It can be widely used in various occasions such as carpentry, construction, mathematical measurement, and hand-made manufacturing.
  • AFTER-SALES SERVICE: If the product has any quality problems during use, or you have any questions during use, please feel free to contact us, we will give you a satisfactory reply within 24 hours.

Product details

  • Parcel Dimensions ‏ : ‎ 31.4 x 17.6 x 2.1 cm; 360 g
  • Date First Available ‏ : ‎ Dec 4 2024
  • Manufacturer ‏ : ‎ Preciva
  • Place of Business ‏ : ‎ Preciva
  • ASIN ‏ : ‎ B0DM5L7KDK
  • Manufacturer reference ‏ : ‎ MR00132
  • Country of origin ‏ : ‎ China
  • Customer Reviews:
    4.1 out of 5 stars 27 ratings

Frequently bought together

This item: Preciva 12” Carpenter Square Ruler - Aluminum Alloy Framing Square, Right Angle Ruler Metal Square with Edge Support, Multiple Angle Markings and Level Bubble
$26.99
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Sold by AutumnRN and ships from 鶹 Fulfillment.
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Product Description

Carpenter Square Ruler
Right Angle Ruler

1/16" Scale

Right Angle Ruler

Scribing Needle

Framing Square

Thicker Body

woodworking square

Hanging Hole

woodworking square
woodworking tool
Carpenter Square Ruler
Right Angle Ruler
Right Angle Ruler
Carpenter Square Ruler

Brands in this category on 鶹

Customer reviews

4.1 out of 5 stars
27 global ratings

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Customers say

Customers like the size and build quality of the ruler. They mention it's larger than a traditional framing square, fits in the middle, and feels premium.

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5 customers mention "Size"5 positive0 negative

Customers like the size of the ruler. They mention it's larger than a traditional framing square and fits in the middle.

"...I have three squares based on different size ranges and this one fits in the middle...." Read more

"A good size square for woodworking...." Read more

"A great square!..." Read more

"This is a great square. It is larger than a traditional framing square which has been useful for a couple layout jobs...." Read more

4 customers mention "Build quality"4 positive0 negative

Customers like the build quality of the ruler. They mention it feels sturdy, has some nice heft, and feels premium.

"...initial realization that I may have knocked it out of square, it feels sturdy and well made...." Read more

"...I have another lighter weight one, but I like this one even better, feels sturdy, the built in level and edge support are super handy...." Read more

"Solid! Has some nice heft to it. Feels premium" Read more

"Good size and heft...." Read more

A nice replacement for my antique
5 out of 5 stars
A nice replacement for my antique
I needed to replace my older square that had now become difficult to read due to metal discoloration, and a lack of square that a could not fix. I have three squares based on different size ranges and this one fits in the middle. I had purchased a collection of files from Preciva that have turned out quite nicely so figured I would give them a try for this. At first I was a little concerned because when I checked it after an accident drop it was not actually square. Taking a hex wrench though I simply loosened the two screws, moved it to square, and then tightened again. A nice little engraving at the pivot point makes this relatively easy as you align to the marking. There is a nice little scribe in the hilt but I am not sure how much I will use it except as a sharp point that could work like a pin. I likely won’t use the scribe because the holes in the ruler are the perfect size for my Pica Dry pencil. I was not sure how handy the edge support would be on the hilt but admittedly it is quite handy when scribing along an edge. Using the square to set the level on a wire shelf, the edge support helped make holding the square with one finger rather easy too. Aside from the initial realization that I may have knocked it out of square, it feels sturdy and well made. The accidental drop didn’t leave any marks on it, and the screws ensure that you can reset it.
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Top reviews from Canada

  • Reviewed in Canada on January 28, 2025
    Verified Purchase
    I needed to replace my older square that had now become difficult to read due to metal discoloration, and a lack of square that a could not fix. I have three squares based on different size ranges and this one fits in the middle. I had purchased a collection of files from Preciva that have turned out quite nicely so figured I would give them a try for this. At first I was a little concerned because when I checked it after an accident drop it was not actually square. Taking a hex wrench though I simply loosened the two screws, moved it to square, and then tightened again. A nice little engraving at the pivot point makes this relatively easy as you align to the marking.

    There is a nice little scribe in the hilt but I am not sure how much I will use it except as a sharp point that could work like a pin. I likely won’t use the scribe because the holes in the ruler are the perfect size for my Pica Dry pencil. I was not sure how handy the edge support would be on the hilt but admittedly it is quite handy when scribing along an edge. Using the square to set the level on a wire shelf, the edge support helped make holding the square with one finger rather easy too.

    Aside from the initial realization that I may have knocked it out of square, it feels sturdy and well made. The accidental drop didn’t leave any marks on it, and the screws ensure that you can reset it.
    Customer image
    5.0 out of 5 stars
    A nice replacement for my antique

    Reviewed in Canada on January 28, 2025
    I needed to replace my older square that had now become difficult to read due to metal discoloration, and a lack of square that a could not fix. I have three squares based on different size ranges and this one fits in the middle. I had purchased a collection of files from Preciva that have turned out quite nicely so figured I would give them a try for this. At first I was a little concerned because when I checked it after an accident drop it was not actually square. Taking a hex wrench though I simply loosened the two screws, moved it to square, and then tightened again. A nice little engraving at the pivot point makes this relatively easy as you align to the marking.

    There is a nice little scribe in the hilt but I am not sure how much I will use it except as a sharp point that could work like a pin. I likely won’t use the scribe because the holes in the ruler are the perfect size for my Pica Dry pencil. I was not sure how handy the edge support would be on the hilt but admittedly it is quite handy when scribing along an edge. Using the square to set the level on a wire shelf, the edge support helped make holding the square with one finger rather easy too.

    Aside from the initial realization that I may have knocked it out of square, it feels sturdy and well made. The accidental drop didn’t leave any marks on it, and the screws ensure that you can reset it.
    Images in this review
    Customer imageCustomer imageCustomer image
  • Reviewed in Canada on March 27, 2025
    Verified Purchase
    A good size square for woodworking.

    I wish it had metric markings on one edge, but I mostly use it for marking full lines across boards anyway so not a big issue.

    It was not square out of the box, but a machinist’s square and a 3mm hex wrench soon put it right.
  • Reviewed in Canada on May 19, 2025
    Verified Purchase
    A great square! I have another lighter weight one, but I like this one even better, feels sturdy, the built in level and edge support are super handy. The pin to quickly locate angles is excellent as well. All in a great option if you need a new square.
    Customer image
    5.0 out of 5 stars
    A great versatile square.

    Reviewed in Canada on May 19, 2025
    A great square! I have another lighter weight one, but I like this one even better, feels sturdy, the built in level and edge support are super handy. The pin to quickly locate angles is excellent as well. All in a great option if you need a new square.
    Images in this review
    Customer image
  • Reviewed in Canada on January 18, 2025
    Verified Purchase
    This is a great square. It is larger than a traditional framing square which has been useful for a couple layout jobs. I like that it is am "L" shaped square with the ability to lay out angle like a "triangle" shaped square. The build in level and scriber are a nice touch.
    Customer image
    5.0 out of 5 stars
    Nice square!

    Reviewed in Canada on January 18, 2025
    This is a great square. It is larger than a traditional framing square which has been useful for a couple layout jobs. I like that it is am "L" shaped square with the ability to lay out angle like a "triangle" shaped square. The build in level and scriber are a nice touch.
    Images in this review
    Customer image
  • Reviewed in Canada on June 25, 2025
    Verified Purchase
    Beware... This carpenter square was not a true 90 degree! I set it against a straight edge and drew 2 parallel lines about an inch apart for the full length of the ruler side. There was 1/8th of an inch difference between the bottom of the 2 line and the top. Also set it against 3 other bigger longer trusted squares and confirmed. Returned it for a refund.
  • Reviewed in Canada on March 21, 2025
    Verified Purchase
    Solid! Has some nice heft to it. Feels premium
    Customer image
    5.0 out of 5 stars
    Solid square

    Reviewed in Canada on March 21, 2025
    Solid! Has some nice heft to it. Feels premium
    Images in this review
    Customer image

Top reviews from other countries

  • peter b.
    5.0 out of 5 stars working with wood
    Reviewed in the United States on March 31, 2025
    Verified Purchase
    great tool thanks
  • D McFadden
    4.0 out of 5 stars Nice feel. Weird sizing.
    Reviewed in the United States on May 27, 2025
    Verified Purchase
    There are many nice things about this square. It's very solid and sturdy, markings are clear, has a scale on the short edge (one reason I bought it) holes at inch markings for scribing lines, angle pin, etc.
    There is some bad, too. The black finish is flat like a chalk board, and picks up marks easily. More annoyingly, the widths of both the black scale and orange bar are weird, maybe metric? If those dims were simply 1-3/4" and not xx/32", it would get 5 stars.
  • AuntB
    5.0 out of 5 stars Easy to read
    Reviewed in the United States on March 18, 2025
    Verified Purchase
    Solid, easy to read
  • Element22
    5.0 out of 5 stars Excellent Value
    Reviewed in the United States on May 27, 2025
    鶹 Vine Customer Review of Free Product( What's this? )
    Pros:
    - Square (as expected)
    - Easy to read measurements
    - Markings on both sides
    - Includes a scribe (screwed in)
    - Built in bubble level

    Cons:
    - None

    This is a great square with lots of features that rival much more expensive woodworking squares. It includes a plethora of measures for length and angles. A bubble level is built in and has a scribe screwed into the base for convenience. The base is thick with a lip that slides well against materials. My unit came perfectly square.

    Overall a great value considering the name brand ones can cost up to 10x as much.
  • Scott
    5.0 out of 5 stars Very Accurate and Useful
    Reviewed in the United States on February 28, 2025
    鶹 Vine Customer Review of Free Product( What's this? )
    This Preciva 12” Carpenter Square Ruler is made of a strong aluminum-alloy metal ensuring durability. The convenient bubble leveler helps make sure your square ruler is level. The ruler on the edge has measurements down to 1/16" to get more accurate markings. I do like that the attached scribing needle is attached to the side, so I won’t lose it.

    On the edge of the square (the orange side) there’s a lip to lay against the board being measured in order to be most accurate angles and measurements. It’s not that thick but fits nicely on the edge of my work piece. It’s as easy to use and simple as laying it flat against the board, with the orange lip fully covering the edge which gives accuracy and the best reading. Measuring it against my digital angle finders and other squares I know to be perfect 90 degrees, the is right on making it a useful tool in my shop. This is certainly not one of those $50.00 to $100.00 squares, but I can’t tell the difference. It's a very nice tool for the price.