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Preciva 13” Carpenter Square Ruler (1/16" Scale) - Foldable Aluminum Alloy T Square Ruler with Imperial and Metric Scales, Multi-Purpose Woodworking Square for Measure Angles, Position, Draw Lines
Purchase options and add-ons
Material | Aluminum |
Brand | Preciva |
Colour | Red |
Style | functional |
Product Dimensions | 34.8L x 17W Centimetres |
About this item
- ADJUSTABLE: The T square ruler can be adjusted to any angle, can also slide up and down, and can be locked by a knob.
- DURABLE: The T-ruler is made of aluminum alloy and electroplating process. The scale is laser calibrated, accurate and clear, and easy to read.
- DUAL SCALE: Imperial length 13.7 inches (1/16 inch scale). Metric length 35 cm (1 mm scale). Flexible use.
- PORTABLE: The combination square is foldable for easy storage. Designed with two hanging holes for easy hanging.
- WIDE APPLICATION: The carpenter ruler can be used for woodworking, mechanical drawing, decoration, DIY, measurement and design, etc.
- AFTER-SALES SERVICE: If there are any quality problems with the product during use, we will provide a refund or exchange. If you have any questions during use, please feel free to contact us and we will give you a satisfactory reply within 24 hours.
Product details
- Product Dimensions : 34.8 x 17.02 x 0.1 cm; 408 g
- Date First Available : June 4 2024
- Manufacturer : Preciva
- Place of Business : Preciva
- ASIN : B0D3LGPZXW
- Manufacturer reference : SR53901
- Country of origin : China
- 鶹 Rank: #7,702 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement)
- #7 in Carpentry Squares
- Customer Reviews:
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Product Description

Multi-angle Marking
Quickly and accurately identify angles and draw straight lines.


Thickness 6 mm (0.24 in)

2 Hanging Holes

Metric/Imperial

Pencil Positioner



Brands in this category on 鶹
Customer reviews
Customers say
Customers like the build quality, functionality, and precision of the ruler. They mention it's well-made, rigid, and lasts a long time. Customers also appreciate the design, ease of use, and included accessories. However, some customers differ on the readability and shape.
AI Generated from the text of customer reviews
Customers like the build quality of the ruler. They mention it's well-made, lasts a long time, and is excellent for the price. Customers also say it's very rigid and doesn't flex at all.
"Very well made, very robust, will last a lifetime if treated with care, as all tools should be...." Read more
"it is what is advertised. good quality, no complaints works for my needs. accuracy is spot on." Read more
"Good quality and finish" Read more
"Seems to be well made of good material. Haven’t used it enough to know how accurate it is, but look forward to seeing how well it stands up...." Read more
Customers like the functionality of the ruler. They mention it works well, is better than expected, and very useful.
"Excellent tool and good quality. great price . Works perfectly . Great design ." Read more
"This thing is super nice to use. Everything works as it should, It is all metal construction so it very rigid and does not flex at all...." Read more
"it is what is advertised. good quality, no complaints works for my needs. accuracy is spot on." Read more
"A very good tool thank you" Read more
Customers like the precision of the ruler. They mention it's extremely accurate on all angles, has 4 ball bearings that lock into detents, and makes it easy to get accurate measurements and square cuts every time. Customers also appreciate the stops for precise angle adjustment and the detents to help quickly set common angles.
"Accurate, versatile..." Read more
"...There are detents to help quickly set common angles. Once it's in the detents and you tighten the knob, it is very secure." Read more
"...It is extremely accurate on all angles and has 4 ball bearings that lock into detents for common angles and is very easy to adjust...." Read more
"...good quality, no complaints works for my needs. accuracy is spot on." Read more
Customers like the design of the ruler. They mention it has an amazing layout and a very nice red metallic finish. Customers also say it's a nice addition to their shop.
"...aluminum with high contrast etched white markings on a very nice red metallic finish (appears to be either electro plating or powder coated)...." Read more
"A very well-made marking T square.Easy to use.Also, a good price." Read more
"Good quality and finish" Read more
"Nice addition to my shop. Better than what I had at a great price." Read more
Customers find the ruler easy to use. They mention it's very practical and of good quality.
"A very well-made marking T square.Easy to use.Also, a good price." Read more
"...Very well made and extremely easy to use...." Read more
"Love this drafting style carpenter square. Very handy and at a decent price point. Wish all these cool tools existed decades ago." Read more
"Easy to use..." Read more
Customers are satisfied with the ruler's included accessories. They mention it comes with a mechanical pencil with a sharpener in the top.
"...It even comes with the pencil and the pencil has a lead sharpener in the plunge cap. Wow...." Read more
"...The pencil it came with is nice. It's a mechanical pencil so it can be refilled and last a long time...." Read more
"...It comes with a carpenter pencil with a led in it...." Read more
"...I like the included mechanical pencil, but wish there was a way to attach it so it won’t get lost." Read more
Customers like the readability of the ruler. They mention it's easy to read the measurements and has a designed pen for tracing lines.
"This multi square is really easy to read, accurate,band easy to change between angles with the presets...." Read more
"...The angles are accurate and scales are easy to read...." Read more
Customers like the shape of the ruler. They say everything is square and it's a good T-square.
"Quick delivery. Great square and angle guide for line marking. Excellent quality for the price." Read more
"Good T square...." Read more
"Every thing is square..." Read more
Reviews with images

Very well made and extremely accurate.
Top reviews from Canada
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- Reviewed in Canada on December 7, 2024Verified PurchaseThis thing is super nice to use. Everything works as it should, It is all metal construction so it very rigid and does not flex at all. The pencil it came with is nice. It's a mechanical pencil so it can be refilled and last a long time. There are detents to help quickly set common angles. Once it's in the detents and you tighten the knob, it is very secure.
This thing is super nice to use. Everything works as it should, It is all metal construction so it very rigid and does not flex at all. The pencil it came with is nice. It's a mechanical pencil so it can be refilled and last a long time. There are detents to help quickly set common angles. Once it's in the detents and you tighten the knob, it is very secure.
Images in this review
- Reviewed in Canada on May 21, 2025Verified PurchasePurchased this for doing layout marking in my wood working on smaller projects, I am sure glad that I did. It's very well made of high grade aluminum with high contrast etched white markings on a very nice red metallic finish (appears to be either electro plating or powder coated). It is extremely accurate on all angles and has 4 ball bearings that lock into detents for common angles and is very easy to adjust. I was not expecting it to be as accurate as it is, but I tested it using my miter gauge and a very accurate rafter square, to my surprise it is absolutely spot on accurate. The quality is certainly way better than the price paid and I have no qualms in ordering another one should I need it, but by the quality of the build that won't be for a very long time.
5.0 out of 5 starsPurchased this for doing layout marking in my wood working on smaller projects, I am sure glad that I did. It's very well made of high grade aluminum with high contrast etched white markings on a very nice red metallic finish (appears to be either electro plating or powder coated). It is extremely accurate on all angles and has 4 ball bearings that lock into detents for common angles and is very easy to adjust. I was not expecting it to be as accurate as it is, but I tested it using my miter gauge and a very accurate rafter square, to my surprise it is absolutely spot on accurate. The quality is certainly way better than the price paid and I have no qualms in ordering another one should I need it, but by the quality of the build that won't be for a very long time.Very well made and extremely accurate.
Reviewed in Canada on May 21, 2025
Images in this review
- Reviewed in Canada on March 23, 2025Verified Purchaseit is what is advertised. good quality, no complaints works for my needs. accuracy is spot on.
- Reviewed in Canada on July 26, 2024Verified PurchaseI'm thrilled to use my carpenter's square rule!.This tool is likely to be a game-changer for my DIY projects and woodworking tasks.
The construction is sturdy and has precise markings, better yet, it has multiple detents to hold the T-bar in place when you change the angle, all this makes it easy to get accurate measurements and square cuts every time
The compact size also makes it easy to toss into my toolbox; this square rule can become a sidekick.
It comes with a carpenter pencil with a led in it. The pencil fits in a sliding attachment allowing you to make accurate marks or draw lines on your material.
Some minor cons: instructions could be much better and a single printed sheet. The pencil sliding sled dies not slide well, they should have used some nylon washers or similar low friction material... A little squirt of silicone grease helps. Maybe lithium.
Highly recommend it to anyone looking to upgrade their toolkit!
I'm thrilled to use my carpenter's square rule!.This tool is likely to be a game-changer for my DIY projects and woodworking tasks.
The construction is sturdy and has precise markings, better yet, it has multiple detents to hold the T-bar in place when you change the angle, all this makes it easy to get accurate measurements and square cuts every time
The compact size also makes it easy to toss into my toolbox; this square rule can become a sidekick.
It comes with a carpenter pencil with a led in it. The pencil fits in a sliding attachment allowing you to make accurate marks or draw lines on your material.
Some minor cons: instructions could be much better and a single printed sheet. The pencil sliding sled dies not slide well, they should have used some nylon washers or similar low friction material... A little squirt of silicone grease helps. Maybe lithium.
Highly recommend it to anyone looking to upgrade their toolkit!
Images in this review
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Reviewed in Canada on June 18, 2025Verified PurchaseLa qualité, la versatilité et l'utilité du produit
- Reviewed in Canada on May 10, 2025Verified PurchaseA very well-made marking T square.Easy to use.Also, a good price.
- Reviewed in Canada on February 4, 2025Verified PurchaseThe T-Square auto-aligns when you assemble it. There's no need to worry about finding 90º, the 2 parts have corresponding detents & pins that fall into place, and the star knob allows you to tighten it all down.
The size is ideal. I needed something to transfer lines onto medium sized pieces. A 6" combo square is too small and the 30" T-Square is far too large for a keepsake box, charcuterie board, wall plaque or whatever I'm working on at the time.
The pencil holder is super handy when you need it, but it also stays out of the way if you're just drafting some measurements. I find it handy to push down on when marking lines on the side of the T-Square. The pencil comes with a built in sharpener which always comes in clutch.
Lastly the T-Square comes in a beautiful anodized red colour that matches the rest of my red tools. 💯
5.0 out of 5 starsThe T-Square auto-aligns when you assemble it. There's no need to worry about finding 90º, the 2 parts have corresponding detents & pins that fall into place, and the star knob allows you to tighten it all down.Accurate, Affordable & Build to Last.
Reviewed in Canada on February 4, 2025
The size is ideal. I needed something to transfer lines onto medium sized pieces. A 6" combo square is too small and the 30" T-Square is far too large for a keepsake box, charcuterie board, wall plaque or whatever I'm working on at the time.
The pencil holder is super handy when you need it, but it also stays out of the way if you're just drafting some measurements. I find it handy to push down on when marking lines on the side of the T-Square. The pencil comes with a built in sharpener which always comes in clutch.
Lastly the T-Square comes in a beautiful anodized red colour that matches the rest of my red tools. 💯
Images in this review
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Reviewed in Canada on July 14, 2025Verified PurchaseSolide
Top reviews from other countries
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Giraudo Mortarini OsvaldoReviewed in the United States on May 13, 2025
4.0 out of 5 stars Buen producto
Verified PurchaseBueno pero no me resultó lo que esperab