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📐 Nail every angle, own every project with Starrett precision!
The K53M-350-S Carpenters Try Square by Starrett is a premium 350mm measuring tool crafted from stainless steel and cast aluminium. Designed for professionals and serious DIYers, it delivers precise 90° and 45° angle measurements with 1mm increments on both sides. Its all-metal, no-flex construction ensures lasting accuracy, making it indispensable for woodworking and metalworking projects that demand perfection.





| ASIN | B00RD59PZQ |
| Best Sellers Rank | 182,658 in DIY & Tools ( See Top 100 in DIY & Tools ) 360 in Carpentry Squares |
| Brand | Starrett |
| Colour | Black, Silver |
| Country Of Origin | China |
| Customer Reviews | 4.6 out of 5 stars 3,500 Reviews |
| Global Trade Identification Number | 07891265209863 |
| Included Components | Try square |
| Item Dimensions L x W | 45L x 1.9W centimetres |
| Item Type Name | Try Square |
| Item Weight | 0.21 Kilograms |
| Manufacturer | Starrett |
| Manufacturer Part Number | K53M-350-S |
| Material | Stainless Steel |
| Model Number | K53M-350-S |
| Product dimensions | 45L x 1.9W centimetres |
| Style | Single |
| Style Name | Single |
P**C
Perfectly square out of the box and very sturdy
This square has to be the best value square on Amazon right now. I checked its square when it arrived and it is perfect. The rulers are properly calibrated off the respective inner and outer faces of the stock. The thin metal ruler arm of the square is straight not bent like many squares with long thin metal rulers. It feels very sturdy and I expect it to stay square for a long long time. It is made of good quality steel not aluminium so it will not get dented and bashed easily like the aluminium ones do. The length is very useful for general woodwork and also for checking/setting the squareness of flat pack furniture while assembling it. Highly recommended especially at this price!
M**S
Quality and large try square
I bought this as my old try square was not entirely square anymore. Firstly let me say that this is a big try square, for the price I was expecting something smaller but you certainly get your moneys worth. Secondly, yes the edges on the ruler can be sharp and pointy, but this isn't a toy it's a piece of equipment so as long as you treat it with due respect there shouldn't be an issue. If you don't like the edges then just file them down a bit. The structure seems to be fine and sturdy with no flex or movement between the two outside edges, it does 90 degree and 45 degree measurements easily.
K**K
It's square, and a bit rough round the edges
Mine is definitely square, seems OK in general, but there are some very sharp edges that need removing, so the quality is a bit poor, but it's a tenner and it is indeed square, so all's good.
S**Y
Perfectly square... Starrett K53M-350-S Try Square
Great price, well packaged - protected from damage and promptly delivered in 1 day. As you can imagine I quickly set up, on a known straight edge, a test - using my new mechanical (0.35) pencil.. and hey presto (after repeating the test 5 times) square. I followed the test for square with a test of the 45° which didn't disappoint.... perfect! The build quality is great... machined billet alloy with a rivetted connection. Rule markings are clear and I can use my mechanical pencil or knife in conjunction to get mark accurate measurements.
D**.
Excellent square for the price
As other reviews have said a little rough round the edges, needed a little touch up with fine paper. But mine was square and you won't find a similar sized accurate square for less money I wouldn't have thought. I have a smaller version of this and it's also good.
J**N
Great try square
Fantastic product mine arrived absolutely bob on and have checked and it is dead on square also the measurements on the bar are also very accurate as ive checked aqainst my calibrated steel rule and over 30cm its maybe 0.25 of a millimetre out which is more than accurate enough for me for the price this is excellent
R**E
Sturdy Try Square at a Reasonable Price (£9.60)
Accurately made in Far East. All corners are very sharp, so easy to gouge a lump! It came with two plastic strips which can be used for protection from these very sharp corners. But, undoubtedly, they'll be lost in no time. A cheap simple case/bag would have been welcome. Metric markings only, which is fine by me. Outer edge 0-40.3cm, inner edge 0-35.5cm on both sides. 45° marked on both sides and on end of stock (cast aluminium). I'm very pleased with my purchase and would recommend it to anyone wanting/needing a large accurate try square.
T**S
Good value
Quite sharp edges. Sturdy and on the large side, good for larger format tiles and flooring. Haven’t checked it for square but Starrett are usually good.
A**R
Preis/Leistung durchaus zufriedenstellend...
Versand mit DHL zügig (Prime-Versand) und Verpackung übertrieben gut (muss ich mal erwähnen, Daumen hoch). In diesem Preissegment sehe ich die Verarbeitung des Anschlagwinkels als sehr gut und kann nichts bemängeln. Die Winkel für 90° und 45° sind annähernd genau und fest angebracht. Die Zahlen der Messskala sind tief geprägt und gut ablesbar. Das Material ist Edelstahl. Wie in anderen Rezensionen zu lesen weist die Messskala eine Abweichung von 0,5 mm auf. Ich weiß nicht wer für unter 10€ die Genauigkeit eines Feinmessinstrumentes erwartet aber nun gut, für meine Belange im Zuschneiden von Laminat, Verlegeplatten und Möbelteilen ist es durchaus angemessen und eine Toleranz von +-1 mm ist in der Regel üblich. Ich kann dieses Produkt gut heißen und weiter empfehlen.
L**A
Buena, robusta y ligera
Muy contenta con la compra de esta escuadra. Es una herramienta muy sólida, no se dobla al manejarla ni trabajar con ella, pero a la vez es ligera, siendo así muy cómoda Los números vienen por los dos lados y muy bien marcados, con lo cual se ven perfectamente Y aunque parezca redundante, está perfectamente a escuadra. Porque otras de este mismo precio no vienen bien calibradas
J**N
Not so square.
Sharp burrs. The stock is not truly parallel.
J**P
Uitstekende winkelhaak.
Gewoon goede winkelhaak, die (bij mij) echt 90° is.
F**O
Ottima squadra
Ottima squadretta. Il costo è giustificato dalla qualità del prodotto. Precisa e affidabile. Ottimo materiale e robustezza. Sono rimasto soddisfatto ed ho acquistato anche la misura più piccola!
Trustpilot
2 weeks ago
4 days ago