TYDEEY 12 in T Square Ruler T-Shaped Woodworking Scriber Measuring Tool , Aluminum Alloy Layout and Measuring Tools

First let me state that I’m a retired Tool&Diemaker so I’m used to precision instruments. This came very well packaged in a sturdy box with foam padding. It come with the black handle unassembled. By the way the handle is aluminum as it the rule. The rule fits very tightly into the milled slot in the handle which is what you want so there is zero play side to side. It also has two pins to position it so the edge of the handle lines up perfectly with the zero mark on the rule. After assembling the handle I checked it for squareness using a bevel edged machinist square which is square to a couple ten thousands of an inch. This product is about as perfectly 90 degrees as you can get. The rule itself is marked clearly and is easy to read. I love the holes which fit a mechanical pencil. You just place the rule on your piece with the handle against the edge, place your pencil in the appropriate hole and slide the rule along your piece keeping it tight against the edge and you get a perfect line that’s always going to be parallel to your edge and at the exact distance you want. I highly recommend it!

What I like the most about this is the ease with which one can scribe a line parallel to an edge using a simple mechanical pencil. I also like the fact that it’s true and accurate. I ordered the 24 inch version as that corresponds best to the sizes of projects I work on. However, I may add the 12 inch version later.

Assembly is quite straightforward. There are four M4 flathead machine screws that secure the T to the ruler. Six screws are provided in case you lose or damage up to two of them. When you tighten the screws, go around several times as the ruler has two blind holes that are designed to mate precisely with two bosses on the T that guarantee alignment. However, it is a tight-tolerance fit which requires cycling through all four screws several times to mate the two surfaces properly.

Once assembled, I checked for trueness and determined that it’s spot on. Scribe lines on the top row are in ? inch increments. However, there is a second row for marking halfway between the ? inch marks. Thus, you are able – using the second row – to work in 1/16 inch increments. I tested a few of the scribe lines and then compared them with a dial caliper and found them to be correct. (See my photo.) This is the only square I have with the scribing capability. It’s a great addition to my suite of woodworking measuring and scribing tools.

PROS:
– Sturdy
– Fair value
– Easy to read
– Square is true
– Will not oxidize
– Easy to assemble
– Aluminum ruler is red anodized
– Scribe lines are dimensionally accurate
– Numbers and lines are white for good contrast
– Both sides and all measurements are inches only (I really don’t need any metric in the woodshop)
– Ruler divided into 1/16 inch increments which is about as much resolution as you need for woodworking

CONS:
– Various typos and mistranslations in the listing
– The “1/16 Increments” text on the ruler has the slash backwards “116”

Overall, this is a quality square with scribing to the nearest 1/16 inch. It’s square and accurate and one of the more useful tools in my woodshop. I hope you found this review helpful.

I am learning how to do cabinetry so that I can construct my own kitchen cabinets for our house remodel. I have constructed several items now including a bathroom vanity. I have learned that you need high quality exact tools because 1/32″ is huge in this trade. I saw the TYDEEY 24, in Precision Ruler Square and thought I would give it a try. Here are my thoughts on this square:
1) The handle is held in place with two pins and four screws. The pins are to align the handle so it sits exactly 90 degrees from the ruler. I set the handle on the pins and screwed in the screws and noticed that the handle was sitting crooked on the ruler and I could see light between the handle and the ruler. I took out the screws and found that the holes that the pins set in were to small to accommodate the pins. Either the pins were not milled to the right diameter or the holes were not. You certainly want it to fit tight because you cannot have any slop when using a 90 degree square.
I should have stopped there and sent the ruler back, but it was so close to fitting that I went the garage and put the ruler and handle in my vice and cranked it down between two boards. It did go together with a huge amount of pressure and I kept a close eye while doing it so it would stay square. One thing I can say for sure, the handle is not coming off of this unit.
But this experience leads me to believe that this company may have some quality control and quality assurance issues that will effect consistency between each product. That is why I state in my title that this is not a Woodpecker that has such consistency that the scales on any of their items will be exact with any other of their products.
2) I figured I probably ruined my square and now certainly would not be able to return it. So I went and checked it to see how square it was from other items that I know are square to a high decimal point of accuracy. It passed the test. I was lucky.
3) The measurements and holes are very helpful when needing to scribe a line on stock with a true edge. Yes you need a mechanical pencil but again accuracy is critical so you want a precise hole and a mechanical pencil.
4) I have used it and I am getting consistent results that are improving my accuracy in cabinetry.
This may not be at the level of a Woodpecker product but it also does not come at the price tag of a Woodpecker. But with that said, I have found that this ruler is giving very accurate and consistent results which is the end goal we are all striving for in our woodworking. With that said I recommend this product, but if the pins do not fit, please send it in for replacement instead of heading for the garage!

Accurate 90-degree cuts and measurements are essential to fine woodworking. While other angles are also used, 90-degrees is the one most often used. As such, an accurate T-square is an extraordinarily-useful tool. This is an accurate T-square. It has a solid feel to it. The measurements are etched and marked. There are holes all along the center of the square, allowing a scratch mark or line to be made. The square is accurate as are the measurements. The tool feels good in the hand. I’m pleased to have this T-square and to recommend it; it’s an excellent tool and a precision instrument.

This is a really nice T-square at a great price! It’s nice and sturdy aluminum, comes with 2 extra screws in case the top crossbar loses a couple, and feels quite durable. It’s long enough to be used on large pieces of lumber like sheets of plywood. This thing should last for years! Awesome buy!

This comes in two pieces with extra hardware and a hex key. The fit is too tight to put together by hand. I put the screws in loose and did quarter turns bringing everything together very gradually. This results in a very sturdy joint. My sample was checked with a reference square from multiple directions and was dead on. The way it is built you can’t do the mark-flip-mark comparison. I used a framing square and flipped it both ways and it was dead on with that one as well. I also tested the pin holes and you need a sharp pencil or a mechanical pencil to fit the small holes, but this provides better accuracy. This, too, was dead on checked with multiple rules and measures.

I’d say well worth the money as long as you’re meticulous with the assembly. I got the 24″ version.

100% recommend.

This square comes well-packaged, and I was impressed with the quality of all the pieces when I opened it. The ruler attaches to the square with 4 small screws, and an Allen wrench and extra screws were included in the package. There are two raised bumps on the square that match with two recesses in the ruler to facilitate proper alignment. After assembling, I tested for accuracy, and it was near perfect. The marking holes used for scribing will fit a mechanical pencil easily, but not much larger unless you have a regular pencil that’s really sharp or use a fine-tipped pen. I’m now looking at their other products after being fully impressed by this one.

This is a very nice quality T square. It is made of aluminum and is precision machined and is quite nicely built. The precision of having holes for each 1/16″ is really nice. I’m pretty impressed by this.