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๐ Elevate your craft with precision that lasts a lifetime!
The Starrett Steel Combination Square features a 12-inch hardened steel blade with 4R graduations offering precision down to 1/64 inch. Built with durable alloy steel and a cast iron square head, it withstands harsh environments and heavy use. Its versatile design supports multiple layout tasks including scribing, tri-squaring, and depth gauging. Equipped with a reversible lock bolt for stable measurements, this tool is a professional-grade investment favored by tradespeople and serious DIYers.









| ASIN | B0002CSBNO |
| Best Sellers Rank | #38,296 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #39 in Carpentry Squares |
| Brand | Starrett |
| Brand Name | Starrett |
| Color | Multicolor |
| Customer Reviews | 4.7 out of 5 stars 457 Reviews |
| Global Trade Identification Number | 00049659500554, 00094705119709 |
| Graduation Range | 1/64 inches |
| Item Dimensions L x W | 12"L x 1"W |
| Item Weight | 1.2 pounds |
| Manufacturer | Starrett |
| Material | Alloy Steel |
| Material Type | Alloy Steel |
| Model | 11H-12-4R |
| Number of Items | 1 |
| Part Number | 11H-12-4R |
| Product Dimensions | 12"L x 1"W |
| Style | 4R Graduation Type |
| Style Name | 4R Graduation Type |
| UPC | 094705119709 049659500554 |
| Unit Count | 1 Count |
| Warranty Description | One Year on defects in material and workmanship |
T**Y
A very solid combination square. Worth the money.
This combination square is great. I am all about saving money on tools any time I can. Gauges and measuring equipment though are one of those areas where the money spent is worth it for a lifetime. This square is right on point and I can count on it for precision 45 degree and 90 degree checks and marks. I am glad I went with the starret model. It costs more but is worth it in the long run. The faces were machined perfectly flat on the square I received and all of the degree measurements check out on several accurate protractors. It feels solid while being used and the ruler doe not move at all when the nut is tightened. I could not ask for more from a combo square. Dimensions can be seen in the photos I have attached. One side has 1/32" graduations. Included in the box will be a certification from the factory. Pros: *Very precise *Well built *Sturdy Cons: *None Additional Considerations: When it comes to gauges. Spend the money. Its worth it in the long run. Overall: 5/5 stars (>=.5 rounds up, <.5 rounds down) => 5 stars If you have any further questions regarding the product in my review please leave a comment below and I will get back to you as soon as possible.
S**.
Quality doesn't get any better than this.
Its a Starrett... how could it get less than fives stars? Well maybe because its expensive but. You will only have to buy one of these your entire life and pass it on when you go. Im a steel fitter and this one of my most used tools. I have went through many cheap combo squares. I deal with a lot of torch cut plate that has slag and rust along the edges. It tears reg squares up and makes it hard for them to slide. It doesn't phase this one at all. Quality doesn't get any better than this.
C**T
Quality, accurate, beautiful
If you all you work with is 2x material and plywood, then pick up a speed square at your local hardware store...if you want to build quality furniture or heirloom pieces, then this is what you want. If all you have ever held were the combination squares that you can find on the rack at your local hardware store, then you are in for a treat if you are able to wrap your fingers around a Starrett. First thing you will notice is the weight, not only is the cast Iron head heftier than the cheap aluminum or zinc in the typical 10 dollar square, the blade is heftier as well. The fit and finish are top notch, from the hardened awl to the etching on the blade. The most important thing however is that you know that this will be 100% accurate and square to 90`. (you can easily google how to check your square for square, i.e. 2 parallel line test) and it will stay that way. Also, made in the USA. My only wish was that I got the hardened steel head instead of the cast iron (I have a 6 inch square with the steel head) as it has better rust resistance. Also, make sure you get the satin blade, not the polished, much easier to read...this one has the satin blade.
J**.
My favorite tool
I have always played around woodworking but have just started to get more serious, since this will be my retirement hobby. After using a relatively inexpensive square for things like marking 2x4s for framing I tried to use it for laying out pieces for a cabinet. I ended up with parts that were more rhomboid and trapezoid than square or rectangular and wasted quite a bit of wood. After buying this square the quality of my work improved greatly. I was able to square and plumb my saw blades and guides and everything fits perfectly. I am sure that this is pretty basic to most who read this, but for me the impact was more than I expected. The square is solid and has no wobble after tightening the lock screw down. The quality of the machining is excellent and the ruler is easy to read. I also appreciate that it is made in the US. The cost was much more than my cheapie square but I am concluding that it is better to invest in a few great tools, strategically chosen, than to have more of low quality. I guess I could have spent $$$ on a new table saw but with this square was able to tune up my modest table saw to work great. This is my new favorite tool.
J**R
Quality
Heโs anxious to use it on his projects and immediately felt the difference in weight and quality, from a lesser brand he has been using.
M**R
Incredibly accurate and sturdy
I was using an empire combination square that just would not stay square (about 1/16" off at 12"). I finally bit the bullet and spent the money on the Starrett after seeing nothing but positive raves about their quality and accuracy. I am not disappointed! This square is perfectly square out of the box and feels very sturdy in my hands. The marks go all the way down to 64ths, but my old eyes are having a hard time seeing that small so I stick with 32nds. Great product. If you are on the fence about it, do it, it's worth the expense if you need accuracy.
D**W
Best of the best!
It's a Starrett... when it comes to precision marking and measuring tools NO ONE does it better. My 6 inch combination square is from another manufacturer. I bought it at a big box home center. It is accurate and it works OK but it doesn't compare to this 12 inch Starrett. The Starrett is heavier which gives it a great feel when you are working with it. The Starrett has great adjusting components too. A slight twist of the knob with my thumb and the rule is locked in place. No wiggles. No wobbles. To get that performance from the home center brand I have to really crank down with my thumb and index finger. The method used for marking the graduations also make this a superior tool. Starrett uses laser engraving. Not so with a less expensive brand. That means your graduations will (eventually) wear off. My cheapy 6 inch is already showing signs of wear after two years. The Starrett looks the same as when I took it out of the box-and I use it A LOT more. Over your lifetime you can by one Starrett or several of the home center brand. Oh... did I mention it's made in the USA?
J**M
Great combination square but obviously lightly used
Itโs beautifully made, dead square, locks up tight, and easy to read the fine graduations. But like most of the tools Iโve recently purchased from Amazon, this arrived in packaging that had obviously been opened before. The tool even had sawdust on it. I just paid paid more than $100 for a new tool and got something that somebody had obviously used and returned, without even bothering to clean. I would ordinarily send it back, but I donโt really see any issues with the tool beyond a few blemishes which will naturally develop anyway, so Iโm keeping it. The tool seems like a 5-star item but Iโm giving 4 stars because if the not-new condition. Yeah that kind of stuff bugs me.
E**D
Starrett, no hay mas que decir.
Con solo tenerla en las manos te das cuenta por que el valor de marca. Es solida, buenos materiales y muy exacta. Si la cuidas bien se la puedes heredar a tus nietos.
G**S
Obvious quality
I thought I had a decent combination square - you know actually square! But then I splurged and got the Starrett which is recognized as the best. The quality and finish are immediately apparent especially the legibility of the markings, even the 64th's. When I looked at my original it became apparent that it was so similar to the Starrett that it was a Chinese knock-off which is pretty good but it isn't a Starrett! Little things like slight flaws in the head casting betray its origins. So I will use my Chinese knock-off for general work but when I want absolute accuracy and reliability I will use the Starrett. It is expensive but sometimes you do get what you pay for.
A**R
Excellent tool, superb quality!
I already had the 6" version, but found that sometimes limiting for work on largers pieces of wood. The Starrett 12" combination square is a solid and accurate tool with a proven pedigree that will last a lifetime.
J**S
the best in the business
the best in the business Square and well made
C**L
excelent
classic starrett quality great to use
Trustpilot
4 days ago
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