Trojan 150mm Combination Square with Adjustable Ruler

★★★★
101 reviews · 604+ sold
$21.27 $31.90 -33% OFF
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Last purchased 7 minutes ago by someone in Geelong
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Description & Specs

The Trojan 150mm combination square is a precise layout and marking tool for woodwork, metalwork and general construction. The sliding head locks along the ruler so you can scribe accurate lines, check inside and outside corners, and read depths from a single tool.

  • Brand: Trojan
  • Ruler length: 150mm
  • Type: Combination square
  • Model: TJQ29650

Use it to set out joinery, transfer measurements, mark 45 degree mitres and check that edges sit square before you cut. The adjustable head makes it easy to learn how to use a combination square for both 90 degree and 45 degree work, making it a handy addition to any toolbox alongside larger 300mm squares.

More about this product

The Trojan 150mm Combination Square is a versatile measuring tool designed for precision in marking and measuring tasks, suited to both DIY enthusiasts and professionals in construction.

With a 150mm ruler it provides accurate measurements for 90 degree inside and outside squares, as well as 45 degree and 135 degree angles. It also functions as a depth gauge, making it suitable for a wide range of applications.

Questions & Answers

What can a combination square be used for?

It marks and checks 90 degree inside and outside corners, sets out 45 degree mitres, transfers measurements and works as a depth gauge.

How do you use a combination square?

Slide the head along the 150mm ruler to the position you need, lock it, then hold the head flat against the workpiece and scribe along the blade.

What is the ruler length?

The ruler measures 150mm.

Is this the same as the 300mm Trojan square?

No. This is the 150mm version. Trojan also offers a larger 300mm combination square if you need more reach.

Can it check 45 degree angles?

Yes, the head is shaped to mark and check both 90 degree and 45 degree angles.

Shipping & Returns

Standard Shipping Australia-wide
Ships in 1-2 business days from our Australian warehouses
30-Day Returns
Change your mind? Return within 30 days for a full refund. Item must be unused and in original packaging.

Customer Reviews

4.3 ★★★★☆ 121 reviews
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✓ Fast Delivery ✓ Great Quality ✓ As Described Verified Purchases
S
Sarah M. 📍 Sydney NSW
Yesterday
✓ Verified Purchase

Absolutely love it!

Had the Trojan 150mm on my wishlist for a few weeks and finally pulled the trigger. Arrived in 2 days which was a nice surprise. Build quality is solid and exactly what the photos showed. My partner uses it every day now and has already asked me to grab another one as a gift.

J
James W. 📍 Melbourne VIC
3 days ago
✓ Verified Purchase

Best buy of the year

Ordered Thursday and had it by Saturday. Packaging was really good — nothing moved around. Works exactly as expected and the price was well below what I saw in stores.

E
Emma T. 📍 Brisbane QLD
5 days ago
✓ Verified Purchase

Fast delivery — impressed

Love my Trojan 150mm. Does the job perfectly and the price was unbeatable.

L
Liam O. 📍 Perth WA
1 week ago
✓ Verified Purchase

Exactly as described

Always buy Trojan when I can — consistent quality and you know what you are getting. This one is no different. Fast dispatch and arrived in perfect condition.

O
Olivia R. 📍 Adelaide SA
1 week ago
✓ Verified Purchase

Would buy again for sure

Was a bit skeptical ordering online but really glad I did. The item arrived in a sturdy box — nothing rattled or was damaged. Set it up in about 10 minutes and has been working perfectly since. Compared to what I saw in store I saved a solid amount. Will definitely be back.

N
Noah B. 📍 Gold Coast QLD
1 week ago
✓ Verified Purchase

Good product for the price

Fast delivery to regional WA. Solid product and works exactly as described.